Neurofibromatosis Type II with multiple CNS neoplasms.
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Heterogeneous moderately enhancing masses are seen in bilateral CPA angle cisterns extending into the internal acoustic meatuses, consistent with bilateral acoustic schwannomas.
Moderately enhancing dural based extra-axial masses are seen in interhemispheric fissure in frontal and high parietal regions attached to the falx cerebri, indicative of multiple meningiomas.
An irrregular moderately enhancing intramedullary mass is seen in cervical spinal cord at C4 level. There is associated focal enlargement of the cord. Features are indicative of intramedullary ependymoma.
A large irregular lobulated mass is seen in right parietal region with marked perilesional edema. The mass is of intermediate signal intensity on T1,T2 and FLAIR and shows restricted diffusion on DWI. It shows moderate to intense post contrast enhancement. Foci of low signal instensity on all sequences are seen in the mass indicative of calcifications or hemosiderin deposition (old hemorrhage).Differentials include supratentorial ependymoma, primitive neuroectodermal tumour (PNET) and lymphoma.