252 Cases
Multiple system atrophy - Cerebellar type
Published on March 10, 2022
Atrophy of cerebellum and brainstem with hot cross bun sign in pons...
By Dr. Pavan Kumar
Blake's pouch cyst
Published on February 15, 2022
Infravermian cyst communicating with the fourth ventricle....
By Dr. Pavan Kumar
Multiple system atrophy - Parkinsonism
Published on February 13, 2022
There is bilateral reduced putamen volume with linear FLAIR / T2W / ADC hyperintense signal adjacent to it ( Putamen rim sign).Acute lacunar infarct in the pons....
By Dr. Pavan Kumar
Wernicke's encephalopathy
Published on December 10, 2021
Symmetric areas of FLAIR hyperintensity in the bilateral medial thalamus, mamillary body and periaquaductal region...
By Dr. Pavan Kumar
Rhino orbito cerebral mucormycosis
Published on June 1, 2021
pansinusitis with bilateral orbital cellulitis (left>right) with left optic perineuritis with extension into anterior and middle cranial fossa results in fungal granuloma in bilateral frontal lobe and in left medial temporal lobe with possibility ...
By Dr. Pavan Kumar
Ruptured dermoid
Published on July 19, 2020
A space occupying lesion in right temporal bone, showing hemorrhage on SWI images and fat component on T1W images. Post operative CT shows air and fat in the sulcal spaces...
By Dr. Pavan Kumar
Cytotoxic lesion of corpus callosum
Published on May 24, 2020
Small oval shaped area showing marked restriction diffusion and T2W / FLAIR hyperintensity noted in the splenium of corpus callosum....
By Dr. Pavan Kumar
Meningitis
Published on April 30, 2020
Meningeal enhancement along bilateral cerebral hemispheres (Left > Right) and midline falx. Thin subdural fluid along the left cerebral convexity and 2 mm in thickness in the right frontal convexity ...
By Dr. Pavankumar
Pneumosinus dilatans in planum sphenoidale meningioma
Published on April 22, 2020
There is a large , well-defined, anterior cranial fossa mass based on the planum sphenoidale as described· It is moderately compressing and superiorly depressing the inferior frontal lobes.·&nb...
By Dr. Pavan Kumar
Mesial temporal sclerosis
Published on April 22, 2020
Atrophic left hippocampus with increased T2W/FLAIR signal and loss of normal undulations ...
By Dr. Pavan Kumar
Nerve sheath tumor of trigeminal nerve
Published on April 19, 2020
A well-defined extra axial intense heterogeneously enhancing lesion is noted in the left CP angle and infra-temporal region in the middle cranial fossa. Few foci of blooming noted on SWI images.Trigeminal n...
By Dr. Pavan Kumar
Dysembryoplastic neuroepithelial tumor ( DNET )
Published on April 19, 2020
A well-defined lobulated markedly T2W hyperintense lesion noted in the left medial temporal lobe and posterior perisylvian region with following details; - No restriction diffusion noted on DWI/ADC...
By Dr. Pavan Kumar
Oligodendroglioma
Published on April 19, 2020
There is evidence of a fairly well-defined ,large, hetero-intense lesion , predominantly T2W hyperintense not showing restricted diffusion noted in the right high parietal , posterior temporo-occipital region The occipital horn of the right lateral v...
By Dr. Pavan Kumar
Subependymal heterotopia
Published on April 18, 2020
Subependymal heterotopia noted along the infero-lateral margin of temporal horns and occipital horns of both lateral ventricles. ...
By Dr. Pavan Kumar
Right MCA Thrombus
Published on February 23, 2020
Thrombus in the M2 segment of the right MCA with abrupt cut off and non-visualisation of the cortical branches....
By Dr. Pavankumar
Liver cirrhosis with hepatocellular carcinoma
Published on November 10, 2019
There is evidence of a well-defined encapsulated lesion in the segment 7 of the liver in sub-capsular location. Restricted diffusion and ADC drop seen. Lesion is heterogeneously hyperintense onT2WI.It shows enhancement on the arterio...
By Dr. Pavan Kumar
Choroid fissural cyst
Published on November 10, 2019
Choroid fissural cyst on right side...
By Dr. Pavan Kumar
Large acute intracerebral hematoma
Published on November 10, 2019
Large acute intracerebral hematoma noted in left temporo-parietal lobe. Mild surrounding edema is noted. Fluid hematoma level is noted with in. It measures 6.2 x 4.3 x 3.4 cm (AP x TR x CC). Mass effect is noted over the ipsilateral lateral ventricle...
By Dr. Pavan Kumar
Pituitary TSHoma
Published on October 16, 2019
Fairly well defined non- enhancing lesion in the right half of the pituitary gland-Likely a microadenoma....
By Dr. Pavan Kumar
Choroidal melanoma.
Published on October 2, 2019
The lesion appear hyperintense on T1W images, hypointense on T2W and SWI images....
By Dr. Pavan Kumar
Normal loopogram
Published on July 20, 2019
LOOPOGRAMCatheter tip inserted a few centimeters into the stoma. Barium is infused into the bowel and spot films takenFINDINGS:Distal loop was catheteriz...
By Dr. Pavan Kumar
Hemimegalencephaly
Published on July 20, 2019
Hemimegancephaly with pachygyria, gray white matter heterotopia, and white matter calcification involving the right cerebral hemisphere -likley S/o compex cortical dysplasia.Thining of corpus callosum noted. ...
By Dr. Pavan Kumar
Hydatid cyst of liver
Published on November 15, 2018
LIVER: • Normal in size, shape, outlines and parenchymal attenuation.• Moderate sized well defined hypodense lesion of size 7.8x8.3x7cm noted involving right lobe of liver. It reaches the poster...
By Dr. Pavan Kumar
Incomplete inversion of hippocamapi
Published on November 13, 2018
Multiple subependymal nodules are noted in the lateral margins of body of both lateral ventricles. They are isointense with the grey matter – Suggesting subependymal heterotopias. Periventricular hyperintensity note...
By Dr. Pavan Kumar
Incomplete inversion of hippocamapi
Published on November 13, 2018
Multiple subependymal nodules are noted in the lateral margins of body of both lateral ventricles. They are isointense with the grey matter – Suggesting subependymal heterotopias. Periventricular hyperintensity note...
By Dr. Pavan Kumar
Hollow viscus perforation
Published on November 10, 2018
Moderate intra-peritoneal free fluid with large air fluid levels are noted in the abdomen and pelvis. Few tiny air pockets and hyperdense areas are noted adjacent / in close relation distal sigmoid colo...
By Dr. Pavan Kumar
PItuitary macroadenoma
Published on November 9, 2018
Moderate sized lobulated mass lesion is noted in the sella – suprasellar region with following details: 1. It measures 24mms (CC) x 22mms (Trans) x 19mms (AP) dimensions.2. The pituitar...
By Dr. Pavan Kumar
Hallervorden spatz disease
Published on November 7, 2018
AKA Pentothenate kinase associated degeneration.Bilateral globus pallidi show signal alterations – Eye of Tiger sign. It shows T2 hypointense as well as focal areas of hyperintensities and are partially suppressed in FLAIR images.&nbs...
By Dr. Pavan Kumar
Colloid cyst
Published on November 7, 2018
A well defined hyperdense structure seen at the foramen of monroe in the midline. ...
By Dr. Pavan Kumar
Multiple sclerosis
Published on November 2, 2018
Multifocal Demyelinating lesions in bilateral cerebral hemispheres, brain stem, cerebellum and cervico-dorsal cord ...
By Dr. Pavan Kumar
Meningiomatosis
Published on November 1, 2018
Multiple intensely enhancing extradural, dural based lesions noted.Appears hyperdense on plain CTIso intense on T2W images and homogenously enhance on post contrast T1W images.Blooming noted on SWI images....
By Dr. Pavan Kumar
Cystocele
Published on November 1, 2018
A well-defined oval shaped cystic lesion (measuring 24 x 9 mm) noted in the lower cord at L5-S1 level, along the central canal. A cone shaped signal changes noted along the central canal in the lower cord just above the cystic lesion extendin...
By Dr. Pavan Kumar
Lumbosacral meningocele
Published on November 1, 2018
This case has no description...
By Dr. Pavan Kumar
Arnold chiari malformation - type I
Published on November 1, 2018
Cerebellar tonsillar herniation is noted ~10mm inferior to the level of foramen magnum. ...
By Dr. Pavan Kumar
Pituitary macroadenoma
Published on October 31, 2018
- Post-operative status. Post-operative changes are seen in the nasal cavity, sella and sphenoid sinus.- Hyperdensity with packaging material seen in the nasal cavity....
By Dr. Pavan Kumar
Deep brain stimulator
Published on October 26, 2018
Deep brain stimulatorDBS electrodes are noted bilaterally traversing the frontal lobes with its tip near the cerebral peduncles.Pneumocephalus noted in bilateral anterior frontal region....
By Dr. Pavan Kumar
Petroclival meningioma
Published on October 24, 2018
Large lobulated well enhancing extra-axial mass lesion is noted in the right petroclival region with following details:- It measures 72mm (CC) x 49mm (TR) x 54mm (AP) dimensions. - &n...
By Dr. Pavan Kumar
Tuberculoma
Published on October 23, 2018
Well defined rim enhancing lesion seen in the left parietal cortical region with perifocal edema, measuring ~ 19x10x14mm.The lesion shows T2 hypointense and T1 hyperintense wall. Central diffusion restriction.No other lesions ar...
By Dr. Pavan Kumar
Progressive multifocal leukoencephalopathy (PML)
Published on October 21, 2018
Progressive multifocal leukoencephalopathy (PML) Progressive multifocal leukoencephalopathy (PML) is characterized by widespread demyelinative lesions due to infection of oligodendrocytes by...
By Dr. Pavan Kumar
Wallenberg syndrome
Published on October 21, 2018
Wallenberg syndromeAcute infarct is seen involving the right lateral medulla.The main supply to the lateral medullary area is from direct penetrating arteries of the distal VA, hence the VA system is the most com...
By Dr. Pavan Kumar
Posterior Reversible Encephalopathy Syndrome.
Published on October 21, 2018
PRES - Posterior Reversible Encephalopathy Syndrome.Bilateral symmetric parieto-occipital edema...
By Dr. Pavan Kumar
Suprasellar meningiomaA 59 years woman presented with headache and seizures.
Published on October 21, 2018
T2 Hypointense extraaxial homogenously enhancing suprasellar mass....
By Dr. Pavan Kumar
Perinatal hypoglycemic insult
Published on October 21, 2018
Perinatal hypoglycemic insult...
By Dr. Pavan Kumar
Dandy walkar malformation
Published on October 21, 2018
The exact origin of the Dandy walker malformation is unknown. Insults of varying severity to both the developing cerebellar hemispheres & 4th ventricle ae currently thought tobe the causative factor.Posterior fossa cyst m...
By Dr. Pavan Kumar
Intramedullary dermoid
Published on October 21, 2018
Intramedullary DermoidThere in a small exophytic intramedullary SOL arising from the the dorsal spinal cord at the level of D3 - D4 intervertebral disc . The lesion appears markedly hyperintense on T1 W image...
By Dr. Pavan Kumar
Meningioma
Published on October 21, 2018
Meningiomas is a benign tumour believed to arise from arachnoid cap cells, and they usually are attached to the dura. These tumors may arise from any location where meninges exist (e.g., nasal cavity, paranasal sinuses, middle ear, mediastinum)...
By Dr. Pavan Kumar
Glomus tumour
Published on October 21, 2018
The glomus tumour is one of characteristic fingertip masses that may be diagnosed with MR imaging. The glomus tumour is a hamartoma that arises from the glomus body, an arteriovenous shunt within the dermis that contributes to temperature regulation ...
By Dr. Pavan Kumar
Absent left cochlear nerve
Published on October 19, 2018
Ø MRI features suggests aplasia of cochlear component of left 8th nerve (vestibulo-cochlear nerve). Ø No other obvious abnormality detected in MRI of brain study....
By Dr. Pavan Kumar
Tuberous sclerosis
Published on October 19, 2018
A preliminary lateral topogram of the cranium was obtained. Volume scans were then performed with OM line as reference and employing 0.625 mm sections. OBSERVATIONS:...
By Dr. Pavan Kumar
Arnold chiari malformation - type I
Published on October 19, 2018
Protocol: Multiplanar multisequence MR imaging. OBSERVATIONS: INFRATENTORIAL REGION: Cerebellar...
By Dr. Pavan Kumar
Acoustic neuroma
Published on October 18, 2018
MRI BRAIN Protocol: Multiplanar multisequence MR imaging. Post contrast T1 w sequence.Clinical Hist...
By Dr. Pavan Kumar
Von hipple lindau syndrome
Published on October 15, 2018
Von hipple- lindau syndromeInheritance: Autosomal dominant Chromosome 3 Clinical diagnosi...
By Dr. Pavan Kumar
Tumefactive demyelination
Published on October 15, 2018
Introduction- Tumefactive demyelinating lesions are generally thought of as solitary lesions, greater than 2 cm, with imaging characteristics mimicking neoplasms. These lesions more commonly occur in women with an average age of 37 y...
By Dr. Pavan Kumar
Pituitary apoplexy
Published on October 15, 2018
Pituitary apoplexyIt is an acute clinical syndrome with headache, visual defects/ophthalmoplegia, altered mental status, variable endocrine deficiencies caused by either hemorrhage or infarction of pituitary gland....
By Dr. Pavan Kumar
Wilson disease
Published on October 15, 2018
Wilson diseaseMR shows abnormal hyperintense signal in bilateral basal ganglia, pons and dorsal midbrain.It is an autosomal recessive inherited disorder of copper metabolism, characterized by exc...
By Dr. Pavan Kumar
Osmotic demyelination syndrome (ODMS)
Published on October 15, 2018
Osmotic demyelination syndrome (ODMS)MR shows bilateral hyperintensities involving basal ganglia and pons (sparing periphery).ODMS is acute demyelination caused by rapid shifts in serum osm...
By Dr. Pavan Kumar
Meconium aspiration syndrome(MAS)
Published on October 15, 2018
Meconium aspiration syndrome (MAS)Chest radiograph shows bilateral coarse reticulogranular opacities with increased lung volumes in a term infantMeconium aspiration syndrome (MAS)...
By Dr. Pavan Kumar
Top of basilar syndrome
Published on October 15, 2018
\"Top of the basilar\" syndrome.CT shows bilateral cerebellar hemispheric and rostral brain stem infarcts with mass effect on 4th ventricle causing mild hydrocephalus.Top...
By Dr. Pavan Kumar
Medulloblastoma.
Published on October 15, 2018
Medulloblastoma.MR shows an intraaxial SOL involving the cerebellar vermis and left cerebellar parenchyma which contains both solid and cystic components. The solid components are cellular as evidenced by low...
By Dr. Pavan Kumar
Herpes encephalitis
Published on October 14, 2018
Typically temporal lobe,subfrontal area,cingulated gyrus and insular cortexCerebral convexity,posterior occipital area may be involved.Typicallly bilateral but asym...
By Dr. Pavan Kumar
Neuroblastoma
Published on October 14, 2018
NEUROBLASTOMA,THORACIC: Malignant thoracic tumor of the primitive neural crest cells. Invasive mass that tends to encase vessels and invade neural...
By Dr. Pavan Kumar
Fibroid polyp arising from endometrium
Published on October 10, 2018
Fibroid polyp arising from endometrium.Note that the polyp is sessile.At transvaginal US, a submucosal fibroid may appear hypoechoic or show heterogeneous echoge...
By Dr. Pavan Kumar
Cholangiocarcinoma.
Published on October 10, 2018
Cholangiocarcinomas are malignancies of the biliary duct system that may originate in the liver and extrahepatic bile ducts, which terminate at the ampulla of Vater.Cholangiocarcinoma are enco...
By Dr. Pavan Kumar
Metastasis from melanoma
Published on October 10, 2018
METASTASES FROM MELANOMAMultiple, well-defined nodular lesions are present in the liver. These are hyperdense on plain CT scan and hyperintense on precontrast T1WI.Differential diagnosis ...
By Dr. Pavan Kumar
Holoprosencephaly
Published on October 10, 2018
Definition: Spectrum of congenital structural forebrain anomalies defined by degree of frontal lobe fusion.Depending upon the grade of separation, classified as lobar, semilobar and alobar type....
By Dr. Pavan Kumar
Congenital cystic adenomatoid malformation
Published on October 8, 2018
Chin and Tang first described cystic adenomatoid malformation (CAM) as a distinct entity in 1949. CAM is a developmental hamartomatous abnormality of the lung, with adenomatoid proliferation of cysts resembling bronchioles. CAM represents approximate...
By Dr. Pavan Kumar
Physiological umbilical hernia
Published on October 8, 2018
Physiologic umbilical herniation occurs during the eighth week of development when the fetal midgut extends into the extraembryonic coelom, occupying the proximal segment of the umbilical cord. This herniation is associated with the development of no...
By Dr. Pavan Kumar
Colloid cyst of velum interpositum
Published on October 8, 2018
The term, velum, derived from Latin velum, meaning a \"sail\", \"curtain,\" \"awning\" or \"veil\", The velum interpositum...
By Dr. Pavan Kumar
Band heterotopia
Published on October 8, 2018
Band heterotopia: continuous, bilateral band of grey matter interposed between the ventricles and the cortex. The laminar-shaped heterotopic grey matter parallels the signal of the normal cortex in all imaging sequences and see...
By Dr. Pavan Kumar
Cerebral metastasis
Published on October 8, 2018
Differential diagnosismultifocal glioblastoma multiforme- Well defined- On perfusion maps, the increased relative cerebral b...
By Dr. Pavan Kumar
Huntington's disease
Published on October 8, 2018
HUNTINGTON\'S DISEASEAutosomal dominant, fully penetrant, chromosome 4p16Clinical features:1. extrapyramidal involuntary movements...
By Dr. Pavan Kumar
Fryns aftimos syndrome
Published on October 8, 2018
FRYNS AFTIMOS SYNDROME:1. severe epilepsy.2. mental retardation.3.dysmorphic facial features. 4. pachygyria (normal thickness and simplified folding) in...
By Dr. Pavan Kumar
Usual interstitial pneumonia
Published on October 8, 2018
USUAL INTERSTIAL PNEUMONIA.UIP is the commonest idiopathic pulmonary fibrosis (IPF) also known as crytpogenic fibrosing alveolitisAverage age: ...
By Dr. Pavan Kumar
Central neurocytoma
Published on October 8, 2018
Definition: Central neurocytoma is a tumor of young adults composed of uniform round cells with neuronal differentiation, typically occurring in the lateral ventricles in the region of the foramen of Monro. Central neurocytoma corresponds to WHO Grad...
By Dr. Pavan Kumar
Congenital microcolon
Published on October 8, 2018
CONGENITAL MICROCOLONDEFINATION A small calibre unused colon, seen in the neonate on radiographic contrast enema; usually a consequence of intestinal...
By Dr. Pavan Kumar
Sarcoidosis
Published on October 8, 2018
SARCOIDOSISSarcoidosis is characterized by noncaseating epithelioid granulomas that may affect any organ system.Clinical features:Patients most commonly present in winter and early spring,...
By Dr. Pavan Kumar
Unsafe CSOM with cerebral abscess and sigmoid sinus thrombosis
Published on October 7, 2018
Unsafe CSOM with cerebral abscess and sigmoid sinus thrombosis...
By Dr. Pavan Kumar
Tuberous sclerosis
Published on October 7, 2018
Tuberous sclerosis or tuberous sclerosis complex (TSC) is a rare, multi-system genetic disease that causes benign tumours to grow in the brain and on other vital organs such as the kidneys, heart, eyes, lungs, and skin. A combination of sympt...
By Dr. Pavan Kumar
Central face subcutaneous infection causing cavernous sinus thrombosis
Published on October 7, 2018
Central face subcutaneous infection causing cavernous sinus thrombosis.CST is usually a late complication of an infection of the central face or paranasal sinuses. Other causes include bacteremia, trauma, and infections of...
By Dr. Pavan Kumar
Hydatid cysts
Published on October 6, 2018
Findings - Hydatid cyst in lower lobe right lung (with air pocket suggest endobronchial rupture of hydatid cyst).Hydatid cyst within the spleen.Chest radiograph findingsUnle...
By Dr. Pavan Kumar
Arachnoid cyst
Published on October 6, 2018
ARACHNOID CYST ( Suprasellar arachnoid cyst)INTRODUCTION:Arachnoid (leptomeningeal) cysts are benign, congenital, intra-arachnoidal space occupying lesions that are filled with clear CSF...
By Dr. Pavan Kumar
Pilocytic astrocytoma
Published on October 6, 2018
Pilocytic astrocytoma is a circumscribed, morphologically and biologically distinct astrocytoma subtype. Pilocytic astrocytoma presumably arise from a class of astrocytes that is inconspicuous in normal brain but may become prominent in the reactive ...
By Dr. Pavan Kumar
Moya Moya disease
Published on October 6, 2018
Moya Moya disease is an idiopathic progressive occlusive cerebrovascular disorder of unknown etiology. Symptoms onset is typically in childhood or adolescence, although adult cases have been reported. Repeated ischaemic episodes are common....
By Dr. Pavan Kumar
Meningioma
Published on October 6, 2018
A well defined homogenously enhancing lesion is noted in the midline anteriorly....
By Dr. Pavan Kumar
Wilson Mikity Syndrome.
Published on October 4, 2018
Wilson Mikity Syndrome.In 1960, Wilson and Mikity described a new form of respiratory disease of unknown cause in five premature infants with a mean birth weight of 1342 g. Chest radiographs demo...
By Dr. Pavan Kumar
Arnold chiari malformation type II
Published on October 3, 2018
ARNOLD CHIARI MALFORMATION TYPE 2In this case there is small posterior fossa with towering of cerebellum, inferior tonsillar herniation with beaking of tectum is seen ....
By Dr. Pavan Kumar
Right Acoustic nerve schwannoma
Published on October 3, 2018
Right Acoustic nerve schwannomaBenign tumor arising from Schwann cell that warps around vestibulocochlear nerve in CPA-IAC.General features –1) Avidly enhancing cylindrical (IAC),...
By Dr. Pavan Kumar
Fistulous communication between parotid ductal system and external auditory canal
Published on October 3, 2018
Fistulous communication between parotid ductal system and external auditory canal...
By Dr. Pavan Kumar
Presbyesophagus
Published on September 24, 2018
Extensive tertiary contractions in infraaortic esophagus .Diverticulum in epiphrenic segment posteriorly. (pulsion diverticulum due to motor dysfunction)Presbyesophagus refers to abnormality of motor function in older individua...
By Dr. Pavan Kumar
Pulmonary edema
Published on September 24, 2018
Pulm Edema - initially interstitial, later alveolarINTERSTITIAL EDEMA (pt tachypneic, but no signs O/E)interstitial tissues form a diffuse fine network throughout the lungs, converging over towards th...
By Dr. Pavan Kumar
Posterior fossa intra-axial mass
Published on September 24, 2018
FindingsA midline intraaxial SOL involving the cerebellar parenchyma.Perilesional edema with mass effect on the fourth ventricle and cerebral aqueduct. Resultant significant dilatation of the...
By Dr. Pavan Kumar
Pulmonary Tuberculosis
Published on September 24, 2018
Of course, the cause has to be TUBERCULOSIS in our country !esp, in view of the left lower zone infiltrates.However, three close differentials exist for similar thick walled upper lobe cavities -...
By Dr. Pavan Kumar
Left cross fused kidney
Published on September 23, 2018
Abnormalities of the kidney and /or urinary tract are more common in male than female patients.The autopsy incidence of renal ectopia is 5.9%.In renal ectopia,the affected kidney is abnormal in position, either l...
By Dr. Pavan Kumar
Neuroglial cyst
Published on September 23, 2018
Neuroglial cystNeuroglial (also called glioependymal) cysts are benign epithelial-lined lesions that occur anywhere in the neuraxis . They are uncommon, representing fewer than 1% of intracranial cysts. While they ...
By Dr. Pavan Kumar
Rheumatoid arthritis
Published on September 23, 2018
Rheumatoid arthritis Abnormal marrow signal is seen in the odontoid process .There is associated abnormal soft tissue (pannus)adjacent to the dens circumferrentially causing posterior displacement of the transe...
By Dr. Pavan Kumar
TGA- Transposition of great arteries
Published on September 23, 2018
TGAThe heart is enlarged with a narrow \"pedicle\" giving the so called \"egg on a string\" appearance. The superior mediastinum appears narrow due to the antero-posterior relationship of the transposed great vesse...
By Dr. Pavan Kumar
Bismuth Grade III Bile duct stricture
Published on September 23, 2018
Bismuth Grade III Bile duct strictureSince its introduction, MRCP has rapidly become an important tool for visualizing the biliary system.MRCP takes advantage of the fact that bile has a high signal int...
By Dr. Pavan Kumar
Neurofibromatosis 1
Published on September 23, 2018
Neurofibromatosis 1Criteria for the diagnosis of NF1 are met in an individual if 2 or more of the following signs are found:Six or more café au lait macules larger than 5 mm ...
By Dr. Pavan Kumar
Lacunar skull
Published on September 23, 2018
Also known as craniolacunia /Luckenschadel skull. The term lacunar skull signifies...
By Dr. Pavan Kumar
Metaphyseal dysplasia
Published on September 23, 2018
Metaphyseal dysplasiaGeneral Considerations:First described by Pyle, Metaphyseal dysplasia is a rare AR disorder characterized by splaying or fraying of the ends o...
By Dr. Pavan Kumar
Idiopathic intracranial hypertension
Published on September 23, 2018
Idiopathic intracranial hypertensionIdiopathic intracranial hypertension, also known as pseudotumor cerebri and benign intracranial hypertension, is a syndrome characterized by increased intracran...
By Dr. Pavan Kumar
TB Meningitis with tuberculoma
Published on September 23, 2018
On T2 weighted images the lesion is markedly hypointense.On post contrast images , the peripheral wall of the lesion shows intense enhancement , whereas the central necrotic component remains non enhancing. ...
By Dr. Pavan Kumar
Coexistent Japanese encephalitis and Neurocysticercosis.
Published on September 23, 2018
Coexistent Japanese encephalitis and Neurocysticercosis.A solitary cyst of NCC in the vesicular stage is observed in the left posterior frontal lobe. A tiny scolex is seen within the cyst. Perilesional edema is noted...
By Dr. Pavan Kumar
Growing skull fracture
Published on September 22, 2018
Growing skull fractureAlso known by various other names : leptomeningeal cyst, traumatic meningocoele, cerebrocranial erosion, cephalohydrocoele, meningocoele spuria, etc.Growing skull fractures ...
By Dr. Pavan Kumar
Vein of Galen Malformation
Published on September 22, 2018
The vein of Galen abnormality is the most frequent arteriovenous malformation in neonates.It commonly presents in the neonatal period, although it may present later, in early childhood. Typically, in the neonatal period, VGAM prese...
By Dr. Pavan Kumar
Filum terminale dermoid
Published on September 22, 2018
Filum terminale dermoid...
By Dr. Pavan Kumar
Cerebellar abscess secondary to mastoiditis.
Published on September 21, 2018
Cerebellar abscess secondary to mastoiditis....
By Dr. Pavan Kumar
Central Neurocytoma
Published on September 21, 2018
CENTRAL NEUROCYTOMA.Spectroscopy was done that revealed a mild reduction in NAA throughout the tumor with increased choline to creatinine ratio.Central neurocytoma was first described by Hassoun et al., in 1982. ...
By Dr. Pavan Kumar
Gangrenous small bowel loops
Published on September 21, 2018
Patient was taken for emergency laparotomy. Ileal loops were found to be gangrenous. Resection of the gangrenous loops with ileostomy and colostomy was done.Also note the extensive calcification of the abdominal vessels....
By Dr. Pavan Kumar
Cleidocranial Dysplasia
Published on September 21, 2018
Cleidocranial DysplasiaCleidocranial Dysplasia (cleido = collar bone, + cranial = head, + dysplasia = abnormal forming) , also known as Cleidocranial Dysostosis and Marie-Sainton Disease, is a condi...
By Dr. Pavan Kumar
Alobar holoprosencephaly
Published on September 21, 2018
ALOBAR HOLOPROSENCEPHALYHPE(Holoprosencephaly) is characterized by a failure of transformation of the prosencephalon into cerebral hemispheres with separate lateral ventricles. HPE has many associated anomalies, both of the nervous...
By Dr. Pavan Kumar
Epidermoid cyst
Published on September 21, 2018
Epidermoid tumor represent 0.2%-1% of all primary intracranial neoplasms.Both congenital and acquired epidermoid cyst occur. Congenital epidermoid is nonneoplastic inclusion cyst.Aquired epidermoid cyst developed as a result of trauma....
By Dr. Pavan Kumar
Dyke Davidoff Masson syndrome
Published on September 21, 2018
DYKE-DAVIDOFF MASSON SYNDROMECerebral hemiatrophy with homolateral hypertrophy of the skull and sinuses – resulting in facial asymmetry – and elevation of the sphenoid wing and petrous ridge, in association wit...
By Dr. Pavan Kumar
Spinocerebellar ataxia
Published on September 21, 2018
SPINOCEREBELLAR ATAXIA.Note the atrophy of cerebellum, brainstem and cervical cord...
By Dr. Pavan Kumar
Mesial temporal Sclerosis.
Published on September 21, 2018
Mesial temporal Sclerosis.MRI detects mesial temporal sclerosis by demonstrating this size asymmetry and abnormal signal within the atrophied hippocampus.Thin-section, high-resolution coronal MR images are best f...
By Dr. Pavan Kumar
Trans sphenoidal meningocele
Published on September 21, 2018
Trans sphenoidal meningocele...
By Dr. Pavan Kumar
Central pontine myelinolysis
Published on September 21, 2018
CENTRAL PONTINE MYELINOLYSIS.CPM is concentrated, frequently symmetric, noninflammatory demyelination within the central basis pontis. In at least 10% of patients with CPM, demyelination also occurs in extrapontine regions, i...
By Dr. Pavan Kumar
Dandy walker variant
Published on September 19, 2018
Dandy Walker variantDandy-Walker variant consist of vermian hypoplasia and cystic dilatation of the fourth ventricle without enlargement of the posterior fossa...
By Dr. Pavan Kumar
Hemimegalencephaly
Published on September 19, 2018
HemimegalencephalyHemimegalencephaly or unilateral megalencephaly is a congenital disorder in which there is hamartomatous overgrowth of all or part of a cerebral hemisphere. The affected hemisphere may have focal or diffuse neuron...
By Dr. Pavan Kumar
Wernicke's Encephalopathy
Published on September 19, 2018
Wernicke\'s EncephalopathyWernicke\'s encephalopathy is a neurologic disorder with acute onset, characterized by the triad of ocular abnormalities, ataxia, and a confused state. It is caused by a thiamine deficiency due to poor ora...
By Dr. Pavan Kumar
Septal AVM with hippocampal sclerosis.
Published on September 19, 2018
Septal AVM with hippocampal sclerosis.The entire left hippocampus is markedly atrophic with increased T2 signal within it .There is associated loss of the adjoining collateral white matter. The entorhinnal cortex is normal.Multiple areas of f...
By Dr. Pavan Kumar
Arnold Chiari malformation type 1.
Published on September 19, 2018
Arnold Chiari malformation type 1. ...
By Dr. Pavan Kumar
Glutaric aciduria
Published on September 19, 2018
Glutaric aciduria type I.CT scan of brain reveals bilateral frontotemporal atrophy, bilateral enlarged sylvian fissures and few hypodensities in the lentiform nuclei. GA is an autosomal recessive inborn error of lysine, hydro...
By Dr. Pavan Kumar
Tolosa hunt syndrome
Published on September 19, 2018
Tolosa-Hunt syndromeTHS is a painful ophthalmoplegia caused by nonspecific inflammation of the cavernous sinus or superior orbital fissure.The International Headache Society...
By Dr. Pavan Kumar
Cavernous anigoma
Published on September 10, 2018
Cavernous angiomas.These are developmental malformations of the vascular bed. These congenital abnormal vascular connections frequently enlarge over time. The lesions can occur on a familial basis. Patients may be asymptomatic, alt...
By Dr. Pavan Kumar
Cerebellar haemangioblastoma
Published on September 10, 2018
Cerebellar hemangioblastomaThese...
By Dr. Pavan Kumar
Cerebellar hemangioblastoma
Published on September 10, 2018
Cerebellar hemangioblastomaHemangioblastomas are considered to be benign neoplasms and represent 1-2% of all primary central tumors....
By Dr. Pavan Kumar
Corpus callosal agenesis
Published on August 28, 2018
Corpus callosal agenesis associated with interhemispheric dorsal cyst, high riding third ventricle,colpocephaly...
By Dr. Pavan Kumar
CSF flow artifact
Published on August 28, 2018
CSF flow artifact in IV th venrticle. It appears hyperintense on T1W images....
By Dr. Pavan Kumar
Open lip schizencephaly
Published on August 27, 2018
Open lip schizencephaly with absent septum pellucidumCourtesy -Dr Atul Deshmukh...
By Dr. Pavan Kumar
Tubercular abscess
Published on August 27, 2018
Tubercular abscessIt shows T2 hypointense rim and peripheral contrast enhancementCourtesy- Dr Atul Deshmukh...
By Dr. Pavan Kumar
Hypoxic ischemic encephalopathy
Published on August 27, 2018
Area of hyperintensity is noted in periventricular white matter,medial thalamus and brainstem.Courtesy - Dr Atul Deshmukh...
By Dr. Pavan Kumar
Neurofibromatosis 2
Published on August 26, 2018
Vagal schwannoma and multiple neurofibromas consistent with NF 2...
By Dr. Pavan Kumar
Arteriovenous malformation
Published on August 26, 2018
Arteriovenous malformationCT shows hyperdense bleed in left occipital region.MRI T2 and GRE shows abnormal flow voids around this bleed.Angiography shows vascular nidus....
By Dr. Pavan Kumar
Central pontine myelinolysis
Published on August 26, 2018
CPM is associated with alcoholism, malnutrition ,liver disease, Addison's disease and diuretic use. The exact cause is unknown, however the notably most of the cases are associated with rapid correction of chronic hyponatremia .Typ...
By Dr. Pavan Kumar
Fetal choroid plexus papilloma
Published on August 26, 2018
Fetal choroid plexus papilloma...
By Dr. Pavan Kumar
Colloid cyst
Published on August 26, 2018
Colloid cysts are smooth, round lesions of endodermal origin, typically located at the foramen of Munro in the anterior aspect of the third ventricle. They are usually filled with gelatinous material and cholesterol crystals. These cysts generally oc...
By Dr. Pavan Kumar
Wernicke's encephalopathy
Published on August 26, 2018
Wernicke's encephalopathyHyperintense signal involving the medial portion of thalamus and around the aquaduct of sylvius....
By Dr. Pavan Kumar
Lymphoma metastasis
Published on August 26, 2018
Lymphoma metastasisHyperdense metastasis surrounded by perilesional edema on brain plain...
By Dr. Pavan Kumar
Spina bifida with lipoma
Published on August 26, 2018
Spina bifida with lipoma ...
By Dr. Pavan Kumar
Occipital encephalocele
Published on August 26, 2018
An encephalocele is the result of failure of the surface ectoderm to separate from the neuroectoderm. This results in a bony defect in the skull table, which allows herniation of the meninges (cranial meningocele) or herniation of brain tissue. The o...
By Dr. Pavan Kumar
Idiopathic intracranial hypertension
Published on August 26, 2018
There is increased perioptic CSF space with marked tourtuosity of both...
By Dr. Pavan Kumar
Pneumocephalus
Published on August 26, 2018
Extradural as well as intradural air foci are noted. Air noted along the sulcal spaces. There is a fracture of left...
By Dr. Pavan Kumar
Arteriovenous malformation
Published on August 26, 2018
Arteriovenous malformation...
By Dr. Pavan Kumar
Thrombosed PCA aneurysm
Published on August 25, 2018
Thrombosed PCA aneurysmOn plain CT, there is a hypodense lesion indenting the crus of midbrain and medial temporal lobe on right side.Contrast CT showing hypodense lesion with a vivid focus of enhancement...
By Dr. Pavan Kumar
Disseminated cysticercosis
Published on August 25, 2018
Disseminated cysticercosis...
By Dr. Pavan Kumar
OPLL- Ossification of posterior longitudinal ligamnet
Published on August 20, 2018
...
By Dr. Pavan Kumar
Esthesioneuroblastoma
Published on August 20, 2018
It is an uncommon malignant neoplasm of the nasal vault, believed to arise from the olfactory epithelium.MRI FEATURES :Hypointense to gray matter on T1WI.Isointense / hyperintense to gray matter on T2WI.Stro...
By Dr. Pavan Kumar
Partial duplication of right ureter
Published on August 19, 2018
Partial duplication of right ureter...
By Dr. Pavan Kumar
Ventricular septal defect
Published on August 19, 2018
Ventricular septal defectOver riding of aortaDouble SVCTracheal bronchusHemangioma...
By Dr. Pavan Kumar
Occulomotor schwanoma
Published on August 19, 2018
Occulomotor schwanoma causing proptosis on right side....
By Dr. Pavan Kumar
Epidermoid tumor
Published on August 19, 2018
Epidermoid tumor in pineal region...
By Dr. Pavan Kumar
Basilar artery aneurysm
Published on August 19, 2018
Axial CT showing contrast filled dilatation of basilar artery. Angiography study showing aneurysmal dilatation of basilar artery....
By Dr. Pavan Kumar
Quadrigrminal cistern lipoma
Published on August 19, 2018
Quadrigrminal cistern lipoma- Fat density...
By Dr. Pavan Kumar
Meningoencephalocele
Published on August 19, 2018
Defect is noted in the basifrontal bone through which there is herniation of CSF containing sac into the right nasal cavity...
By Dr. Pavan Kumar
Medulloblastoma
Published on August 19, 2018
The d/d of the infratentorial tumours in children.Cerebellar astrocytoma(20-25%), Medulloblastoma(30-40%), Ependymoma(8-15%).Medulloblastoma: Short history,predominantly located in the vermis.Patients present with...
By Dr. Pavan Kumar
Medulloblastoma
Published on August 19, 2018
MEDULLOBLATOMAThe d/d of the infratentorial tumours in children.Cerebellar astrocytoma(20-25%), Medulloblastoma(30-40%), Ependymoma(8-15%).Medulloblastoma: Short...
By Dr. Pavan Kumar
ICA Dissectiono
Published on August 19, 2018
DISSECTION OF THE ICA WITH ACUTE INFARCT.Dissection of the internal carotid artery is a common cause of stroke in young adults and middle-aged patientsThe vast majority of ICA dissectio...
By Dr. Pavan Kumar
Ependymoma
Published on August 18, 2018
EpendymomaHeterogenously enhancing mass lesion is noted in the IVth ventricle which is seen through the foramen of luschka into the left cerebellopontine angle....
By Dr. Pavan Kumar
High grade glioma
Published on August 18, 2018
Area of altered signal intensity is noted in the brainstem which appears hypointense on T1W images. Hyperintense on T2W images. It shows thick rind of enhancement...
By Dr. Pavan Kumar
CNS tubercuosis
Published on August 18, 2018
A large lesion in posterior fossa and another tiny lesion in subependymal region on left side.It shows post contrast enhancement. Areas of blooming noted within this lesion....
By Dr. Pavan Kumar
Cerebral hemorrhage
Published on August 18, 2018
Hemorrhage of varying stage, which appear predominantly hypointense on T2W iamges. Hyperintense on T1W images and shows blooming on GRE images....
By Dr. Pavan Kumar
Atypical meningioma
Published on August 18, 2018
There is a large extraaxial lesion is noted in the left temporal region. It shows peripheral isointense rim with central area of necrosis. Peripheral rim shows intense enhancement....
By Dr. Pavan Kumar
Midbrain infarct
Published on August 18, 2018
Acute infarct in periaqueductal region of midbrain....
By Dr. Pavan Kumar
Right atrial rupture
Published on August 18, 2018
Iatrogenic right atrial rupture.(during pericardial effusion tap)...
By Dr. Pavan Kumar
Tuberous sclerosis
Published on August 18, 2018
Tuberous sclerosisCortical tubors and subependymal nodules...
By Dr. Pavan Kumar
Sturge webers syndrome
Published on August 18, 2018
Sturge webers syndromeArea of calcification are noted in left occipital region. Which shows blooming on GRE images....
By Dr. Pavan Kumar
Superior saggital sinus thrombosis
Published on August 18, 2018
A number of predisposing factors for development of dural sinus thrombosis (DST) are recognized including :intracranial infection, adjacent to a dural sinus (e.g., mastoiditis)compression by tumordehydrationpregnancy and the puerperiumhyperco...
By Dr. Pavan Kumar
Lymphoepithelial cysts in HIV
Published on August 18, 2018
Lymphoepithelial Parotid Cysts in HIV-Infection with the human immunodeficiency virus (HIV) presents itself with a myriad of symptoms. The development of lymphoepithelial cysts of the parotid gland occur early in HIV disease. It is often t...
By Dr. Pavan Kumar
Fahr disease
Published on August 17, 2018
Fahr disease.Heavy calcifications in Dentate nucleus and basal ganglia...
By Dr. Pavan Kumar
Central pontine myelinolysis
Published on August 17, 2018
Central pontine myelinosis :A demyelinating condition affecting the PONS and characterized clinically by an acute progressive QUADRIPLEGIA; DYSARTHRIA; DYSPHAGIA; and alterations of consciousness. Pathologic features include promin...
By Dr. Pavan Kumar
Dyke Davidoff Masson Syndrome
Published on August 17, 2018
Davidoff-Dyke Masson syndromeCerebral hemiatrophy or Dyke-Davidoff-Masson syndrome is a condition characterized by seizures, facial asymmetry, contralateral hemiplegia or hemiparesis, and mental retardation. These findings are due ...
By Dr. Pavan Kumar
Hepatic encephalopathy
Published on August 17, 2018
Hepatic encephalopathy- Hyperintense signal in basal ganglia on T1W images....
By Dr. Pavan Kumar
Madelung deformity
Published on August 17, 2018
Madelung deformity is due to premature closure or defective development of the ulnar third of the distal epiphysis of the radius. ...
By Dr. Pavan Kumar
Oligodendroglioma
Published on August 17, 2018
A histology proven case of Oligodendroglioma...
By Dr. Pavan Kumar
Craniopharyngioma
Published on August 17, 2018
Suprasellar location, hyperintense and homogenous signal on T1 WI and age of the patient are all characteristic of a CRANIOPHARYNGIOMA 🧠...
By Dr. Pavan Kumar
Subependymal giant cell astrocytoma
Published on August 17, 2018
Subependymal giant cell astrocytoma(SEGA)...
By Dr. Pavan Kumar
Toxoplasmosis
Published on August 17, 2018
ToxoplasmosisMultiple hyperintense lesions are noted in bilateral cerebral hemisphere, brainstem and in bilateral cerebellar hemisphere on FLAIR images. ✨...
By Dr. Pavan Kumar
Cervicomedullary cord compression
Published on August 17, 2018
ATLANTOAXIAL DISLOCATION WITH PARTIAL OCCIPITALIZATION OF🤸 POSTERIOR ARCH OF ATLAS...
By Dr. Pavan Kumar
Wolman's disease
Published on August 17, 2018
WOLMAN'S DISEASEAutosomal recessive metabolic storage disorder causing hepatosplenomegaly and adrenal calcification with replacement of bone marrow by foam cells....
By Dr. Pavan Kumar
Sturge weber syndrome
Published on August 17, 2018
Sturge weber syndromeFrontal Radiograph showing gyral calcifications involving right frontal and parietal lobes....
By Dr. Pavan Kumar
Moya Moya Disease
Published on August 17, 2018
Moya Moya DiseaseMoya moya which means "puff of smoke", refers to resemblance of Thalamoperferoting arteries to smoke....
By Dr. Pavan Kumar
Normal brain contrast study
Published on August 14, 2018
This is for reference. It is a treated case of dural venous sinus thrombosis...
By Dr. Pavan Kumar
Dural venous sinus thrombosis
Published on August 14, 2018
Dural venous sinus thrombosisPost operative changes noted in the form of craniectomy defect involving left frontal and temporal bone.Hypodense edema with air foci noted in left frontal region ? infective etiologyFilling defect is not...
By Dr. Pavan Kumar
Dural venous sinus thrombosis
Published on August 14, 2018
Dural venous sinus thrombosisOn plain scan,Venous sinuses and cortical veins appear hyperdense likely due to congestion....
By Dr. Pavan Kumar
Dural venous sinus thrombosis
Published on August 14, 2018
Dural venous sinus thrombosisBrain contrast images show filling defect in the superior saggittal sinus. Hyperdense bleed with surrounding perilesional edema is noted in left parietal lobe.Features suggestive of Dural sinus thromb...
By Dr. Pavan Kumar
Pneumothorax
Published on August 13, 2018
PneumothoraxSubcutaneous and myofasical emphysemaAir in scrotal sac...
By Dr. Pavan Kumar
Cortical venous thrombosis
Published on August 4, 2018
Diagnosis - Cortical venous thrombosis...
By Dr. Pavan Kumar
Aneurysm with intraventicular bleed
Published on August 4, 2018
Diagnosis-Aneurysm with intraventicular bleed...
By Dr. Pavan Kumar
Mineralising vasculopathy
Published on August 4, 2018
Mineralising Vasculopahy or Lenticulo-striate Vasculopathy : Could be seen in healthy neonates however higher incidence is noted in TORCH infections. CT scan in these cases is usually normal. Such finding warrants further workup in form of TO...
By Dr. Pavan Kumar
Lung consolidation
Published on August 2, 2018
Lung consolidation with tree in bud appearance suggestive of infective etiology...
By Dr. Pavan Kumar
Traumatic fracture of rib
Published on July 31, 2018
Fracture of right first rib. Note the apical pleural cap along the medial apical pleura. The first rib is situated deep to the clavicle and so fracture of the first rib means serious injury to the thorax and is usually associated with disruption of the cl...
By Dr. Pavan Kumar
Semilobar Holoprosencephaly
Published on July 30, 2018
Semilobar Holoprosencephaly...
By Dr. Pavan Kumar
Hydrocephalus with ventriculitis.
Published on July 30, 2018
Hydrocephalus with ventriculitis....
By Dr. Pavan Kumar
Pitutory adenoma with gigantism
Published on July 30, 2018
Pitutory adenoma with gigantism...
By Dr. Pavan Kumar
Lipoma of sylvian fissure
Published on July 30, 2018
Lipoma of sylvian fissure-A fat density lesion is noted in the region of left sylvian fissure.Area of calcification are noted wtihin this lesion....
By Dr. Pavan Kumar
Internal carotid artery aneurysm
Published on July 29, 2018
Internal carotid artery aneurysm-A well defined hyperenhancing lesion is noted on the left side arising from internal carotid artery...
By Dr. Pavan Kumar
Infarct with hemorrhagic transformation.
Published on July 29, 2018
Wedge shaped infarct is noted in the left temporal lobe with loss of grey white matter interface. Area of hyperdense hemorrhage is noted wtihin the infarct....
By Dr. Pavan Kumar
Melorrheostosis aka Leri\'s disease
Published on July 29, 2018
Melorrheostosis aka Leri\'s disease- Dripping candle wax appearance...
By Dr. Pavan Kumar
Tuberous sclerosis.
Published on July 28, 2018
Rhabdomyosarcoma,cortical tubers,hypopigmented skin patches.Case courtesy-Dr Atul Deshmukh...
By Dr. Pavan Kumar
Oligodendorglioma
Published on July 28, 2018
Oligodendro - Increased blood flow on perfusion.MRS favour glial neoplasm. Case courtesy-Dr Atul deshmukh...
By Dr. Pavan Kumar
Dermoid cyst of ovary
Published on July 28, 2018
A well defined fat containing abdominopelvic mass leison is noted. Areas of calcifications are noted wtihin this lesion.Case courtesy - Dr atul deshmukh...
By Dr. Pavan Kumar
Dermoid cyst of ovary
Published on July 28, 2018
A well defined fat containing abdominopelvic mass leison is noted. Areas of calcifications are noted wtihin this lesion....
By Dr. Pavan Kumar
Central pontine myelinolysis
Published on July 28, 2018
Central pontine myelinolysis...
By Dr. Pavan Kumar
Neurofibromatosis 2
Published on July 27, 2018
Multiple meningioma are noted in the brain as well as spine. Acoustic schwanoma is also noted. Case courtesy - Dr Atul Deshmukh...
By Dr. Pavan Kumar
Tuberculoma in the cerebellum
Published on July 27, 2018
Intraaxial mass lesion in rt cerebellar hemisphere which is isointense on t1, hypo on t2 showing periperal rim enhancement - Case courtesy - Dr Atul Deshmukh...
By Dr. Pavan Kumar
Cystic brain metastasis
Published on July 24, 2018
A well defined peripherally enhancing fluid density lesion is noted in the left occipital lobe. Surrounding peri lesional edema is noted. Mass effect is noted in the form of effacement of adjacent sulcal spaces....
By Dr. Pavan Kumar
Sphenoid sinus mucolith
Published on July 7, 2018
Hyperdense mucolith in sphenoid. Mucosal thickening in all sinuses....
By Dr. Pavan Kumar
Epidermoid cyst
Published on June 25, 2018
It is a case of epidermoid cyst. Hypodense cystic structure with insinuating margin causing indentation of brainstem. ...
By Dr. Pavan Kumar
Multiple TB granulomas
Published on June 24, 2018
Multiple altered signal intensity areas are seen in neuroparenchyma appearing hyperintense on T1W images, hypointense on T2W images, few shows restricted diffusionn on DWI images. Areas of blooming noted on GRE images. Few of them shows ring like contrast...
By Dr. Pavan Kumar
Atypical meningioma
Published on June 24, 2018
A dural based lesion on right side appearing hypointense on T1W images and hyperintense on T2W images. Areas of cystic changes noted in the lesion. Extensive edema is noted in the adjacent neuroparenchyma. It shows intense enhancement on post contrast ima...
By Dr. Pavan Kumar
Demyelinating disease of brain.
Published on June 24, 2018
Hyperintense signal in bilateral juxtacortical and deep white matter. These lesions not showing restricted diffusion on DWI images and not showing contrast enhancement on postcontrast T1W images...
By Dr. Pavan Kumar
TB Granuloma in cerebellum
Published on June 24, 2018
Well defined lesion in the right cerebellar hemispehere, which appears slightly hyperintense on T1W images and hypointense on T2W images. Perilesional edema is noted. Ventricular system appears dilated....
By Dr. Pavan Kumar
TB Granuloma in cerebellum
Published on February 24, 2018
Well defined structure in right cerebellar hemisphere with central dot of calcification. Reported as possibility of infective etiology more likely than neoplastic...
By Dr. Pavan Kumar
PANOPTHALMITIS
Published on February 24, 2018
Mild proptosis with thickening of the left eye ball....
By Dr. Pavan Kumar
Cortical venous sinus thrombosis
Published on February 12, 2018
Hemorrhagic infarct involving right frontal lobe.Anterior part of superior sagitTal sinus appears hyperdense....
By Dr. Pavan Kumar
Alobar Holoproscencephaly
Published on February 11, 2018
Alobar holoproscencephaly - features,single midline monoventricle (or holosphere). lateral and third ventricles are absent.absent midline structures. absent septum pellucidum.agenesis or hypoplasia of the corpus callosum absent interhemispheric fissure an...
By Dr. Ashok sharma
sturge weber syndrome
Published on February 11, 2018
Subcortical calcification with associated parenchymal volume loss\ntram-track sign of cortical and subcortical calcification \nCalvarial and regional sinus enlargement \nIpsilateral choroid plexus may be enlarged...
By Dr. Ashok sharma
Adrenoleukodystrophy.
Published on February 11, 2018
Bilateral symmetric areas of altered signal intensity in subcortical and periventriular deep white matter of posteriro parieto-occipital region,splenium of corpus callosum, along the pyramidal tract involving the posterior limb of internal capsule, cerebr...
By Dr. Pavan Kumar
Hirayama disease
Published on January 14, 2018
Reversal of cervical lordosis, discs are degenerated, significant cord atrophy is seen extending from C3 to C7, hyperintense signal is noted in the grey matter predominantly in the grey matter, prominent venous structures are seen in the posterior epidura...
By Dr. Pavan Kumar
Glioblastoma multiforme
Published on December 25, 2017
:-Solid cystic lesion with significant perilesional edema is seen in left parietal lobe extending into the gangliocapsular region. The solid component of the lesion appears heterogenous predominantly hypointense on T1W images and mildly hyperintense on T2...
By Dr. Pavan Kumar
Acoustic schwanoma
Published on December 25, 2017
Well defined heterogenously enhancing lesion in left CP angle ...
By Dr. Pavan Kumar
Heterotopia, lisscencephaly
Published on December 25, 2017
Total absence of sulcal spaces in bilateral parietal and temporal region.
Illdefined grey matter signal intensity is noted in subependymal region of bilateral cerebral hemispheres.
Prominent cisterna magna.
Small skull...
By Dr. Pavankumar
Band heterotopia.
Published on December 25, 2017
Total absence of sulcal spaces are seen in bilateral parietal and temporal lobes.
Illdefined grey matter signal intensity is seen in bilateral subependymal region.
Paucity of sulcal spaces in bilateral frontal region.
Prominent cisterna magna....
By Dr. Pavankumar
DANDY WALKER MALFORMATION
Published on December 24, 2017
Dandy walker malforamtion is congenital brain malformation characterized by smaller posterior fossa, large posterior fossa cyst communicating with fourth ventricle, vermian and cerebellar hypoplasia with vermian rotation, upward shift of torcula, hydrocep...
By Dr. Pavan Kumar
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