Planum sphenoidale meningioma
Visual field distrubance. CT reportedly performed elsewhere.
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Well defined T1 isointense and T2 mildly hyperintense, homogeneously avidly enhancing mass arising from the planum sphenoidum.
A dural tail is evident.
The pituitary gland is evident beneath the mass.
Meningiomas are the most common extra-axial tumors of the central nervous system. They are a non-glial neoplasm that originates from the arachnoid cap cells of the meninges and are typically benign with a low recurrence rate, but rarely can be malignant.
Meningiomas occur in a magnitude of locations, one of the less common places being the planum sphenoidale. Presentation is often due to symptoms from mass effect or incidental.