Olfactory groove meningioma

Case contributed by Dr Hidayatullah Hamidi

Presentation

Headache and dizziness for 2 months.

Patient Data

Age: 45 years
Gender: Female
MRI

A large, well defined, extra-axial, dural-based mass lesion in the anterior- inferior aspect of frontal lobes in the midline just above the cribriform plate (olfactory groove).

The lesion appears isointense to gray matter on T1WI and T2WI with homogenous avid post contrast enhancement. Significant perilesional edema is noted. No dropout signal to suggest calcification.
No adjacent infiltrative changes

Case Discussion

The MR features are almost certain for an olfactory groove meningioma.

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Case information

rID: 57527
Published: 30th Dec 2017
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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