History of olfactory groove meningioma resection on 2/25/15: surveillance. There are postoperative findings related to recent bifrontal craniotomy with areas of confluent T2 hyperintensity and scattered foci of susceptibility along the margins of the resection cavity. There is an enhancing mass in the posterior aspect of the resection cavity, adjacent to the anterior cerebral arteries, that measures up to approximately 20 mm. There is also unchanged enhancement tumor along the left planum sphenoidale that measures up to 10 mm in thickness, adjacent to the left optic nerve. The ventricles are unchanged in size and configuration. There is no evidence of acute territorial infarction.
Postoperative findings related to olfactory groove meningioma resection with no significant interval change in size of the residual tumor in the posterior aspect of the resection cavity and along the left planum sphenoidale. 