Subfrontal gangliocytoma masquerading as olfactory groove meningioma

G. Menon Departments of NeurosurgeryCorrespondence[email protected]

S. N. Patro Imaging Sciences & Interventional Radiology

K. Krishnakumar Departments of Neurosurgery

C. Kesavadas Imaging Sciences & Interventional Radiology

S. Nair Departments of Neurosurgery

V. V. Radhakrishnan Neuropathology, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Trivandrum, India

Abstract

We describe a rare case of an unusually located gangliocytoma. The conventional magnetic resonance imaging (MRI) appearance was suggestive of an olfactory groove meningioma. However, advanced MRI sequences (diffusion-weighted imaging—DWI; perfusion MRI; susceptibility-weighted imaging—SWI; MR spectroscopy—MRS) revealed features more consistent with a glial neoplasm.

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Subfrontal gangliocytoma masquerading as olfactory groove meningioma

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Subfrontal gangliocytoma masquerading as olfactory groove meningioma

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