Olfactory groove meningioma

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Right-sided anosmia.

Patient Data

Age: 50 years
Gender: Female
mri
This study is a stack
Axial FLAIR
fat sat
This study is a stack
Coronal
T2
This study is a stack
Axial
T1
This study is a stack
Axial
Gradient Echo
This study is a stack
Axial
T1 C+
This study is a stack
Sagittal
T1 C+
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Info

Well-circumscribed extra-axial mass of the anterior cranial fossa along the right olfactory groove. It elicits an isosignal to the cortical grey matter on T1, iso-to high signal T2 and a high signal on FLAIR fat sat with vivid homogeneous enhancement on postcontrast sequences. No calcification or hemorrhagic component on the GE sequence. No significant surrounding vasogenic edema. A mass effect is noted on the falx cerebri.

Case Discussion

MRI features of an olfactory groove meningioma.

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