<prompt> Patient with bilateral proptosis is being investigated. Biopsy from the region shows:LeiomyomaSchwannomaRhabdomyosarcomaFibromatosis  <response>: ANS. B Schwannoma is a favorite topic for AIIMS. Previously had asked to mark Antoni A and B, Verocay bodies Dense area is Antoni A black arrow and less dense area is Antoni B red arrow Other important histological slides of brain malignancies they can ask are:Meningioma whorled pattern and psammoma bodiesMedulloblastoma small round blue cell tumorEpendymoma characteristic perivascular pseudorosetteGlioblastoma multiformes densely cellular tumor with necrosis and pseudopalisading of tumor cell nucleiPilocytic astrocytoma rosenthal fibers 