“…Few case reports describing this entity exist in literature. 1 2 3 4 This is a rare case of exophytic brainstem GBM with IAC extension. Preoperative MRI showed no clear plane between tumor and upper pons as well as a satellite enhancing lesion, raising suspicion for diagnosis other than VS. A close analysis of MRI, discussion at multidisciplinary board, plan of proceeding with biopsy and a 2nd stage surgery are important planning paradigms.…”