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Department of Radiology
Seth G.S. Medical College and K.E.M. Hospital, Mumbai , India
Case of the Day
Case of the Day
A 70 year old woman was brought by her family with right sided weakness and altered sensorium since one week
A 70 year old woman was brought by her family with right sided weakness and altered sensorium since one week
Contrast enhanced CT scan of the brain shows a well-defined, lobulated, hypodense, peripherally enhancing lesion arising from the left Meckel’s cave. It measures 5 x 7 x 6 cm and has supratentorial and infratentorial extension. There is no calcification. There is rarefaction of the surrounding bones of the middle cranial fossa without any erosion or destruction. The left internal carotid artery and the middle cerebral artery are pushed superiorly and laterally with mild narrowing of the calibre. The midbrain and the fourth ventricle are compressed with dilatation of the lateral and third ventricles. The MRI (this examination was done elsewhere) shows the lesion to be heterogeneously T2 hyperintense. DWI shows diffusion restriction.
Contrast enhanced CT scan of the brain shows a well-defined, lobulated, hypodense, peripherally enhancing lesion arising from the left Meckel’s cave. It measures 5 x 7 x 6 cm and has supratentorial and infratentorial extension. There is no calcification. There is rarefaction of the surrounding bones of the middle cranial fossa without any erosion or destruction. The left internal carotid artery and the middle cerebral artery are pushed superiorly and laterally with mild narrowing of the calibre. The midbrain and the fourth ventricle are compressed with dilatation of the lateral and third ventricles. The MRI (this examination was done elsewhere) shows the lesion to be heterogeneously T2 hyperintense. DWI shows diffusion restriction.
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