MRI BRAIN ...isointense masses are seen involving the both cerebellar hemispheres evident on both T1WI AND T2WI.
the masses are sendwitching the fourth ventricle and are compressing it resulting in mild hydrocephalic changes because of narrowing of outflow tract.
there are fluid intensity components of the lesions,evident as hyperintense on T2WI and hypointense on T1WI.
post contrast sequences reveal subtle marginal enhancement of the lesions.
possibilities are:
1.?Glioma with solid and cystic component
2.??PNET
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