CT and MR Studies of Giant Dermoid Cyst Associated to Fat Dissemination at the Cortical and Cisternal Cerebral Spaces

Figure 2

Axial FSE T2-w showed hyperintense lesion involving media and posterior fossa (a); coronal FLAIR showed a marked displaced brainstem by the lesion that resulting in the cranial portion disomogeneus hypo/hyperintense (b); axial SE T1-w showed marked hyperintense signal originating by caudal portion of the lesion (c); the histological sample obtained by biopsy showed recent and previous bleeding; hemosiderin pigments are well apparent (d).