Fig. 2From: Outcome of extradural devascularization in resection of giant olfactory groove meningioma in bilateral subfrontal approachA Sagittal MRI with contrast shows preoperative large OGM. B Axial MRI with contrast shows preoperative large OGM. C Coronal MRI with contrast shows preoperative large OGM. D Immediate postoperative CT brain with contrast show postoperative excision of OGM with no residualBack to article page