Pontine cavernoma (MRI tractography)


MRI features are in favor of cavernous malformation "cavernoma" at the posterior aspect of the pons "Zabramski type 2". The corticospinal tracts are anterior to cavernoma with no displacement or attenuation of the fibers. The medial lemnisci on both sides are mildly displaced laterally with no attenuation of the fibers. MRI is the modality of choice, demonstrating a characteristic “popcorn” or "berry" appearance with a rim of signal loss due to hemosiderin