Olfactory groove meningioma

A large, midline, extraaxial lesion is noted within the low frontal region, with homogeneous enhancement on post-contrast coronal and axial images. On the former, the lesion is noted to extend inferiorly to the region of the left olfactory bulb.

Olfactory groove meningioma

Part of the on-line supplement to Neuroradiology – The Essentials with MR and CT (© 2015)