Presentation
Follow-up of adenocarcinoma of the sphenoid sinus.
Patient Data
Age: 30 years
Gender: Female
From the case:
Oversulcation of the calcar avis
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Bilateral deep calcarine sulcus with prominent protrusion of the medial walls of the occipital horns, creating an aspect of an accessory occipital ventricle.
Case Discussion
Oversulcation of the calcar avis is an anatomical variant that may mimic gray matter heterotopia or schizencephaly on MRI.
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