Presentation
Cranial nerve deficits.
Patient Data
Right parasellar mass centered on the cavernous sinus measuring (3 X 2.5 X 2.3 cm), encasing the internal carotid artery. It elicits an isosignal to the cortical grey matter on both T1/T2 and FLAIR with vivid homogeneous enhancement on postcontrast sequences. Medially there is an extension to the right aspect of the sellar region with a mass effect on the pituitary gland and pituitary stalk which are shifted to the left. Posteriorly there is an extension to the Meckel cave and the right aspect of the prepontine cistern with thickening and enhancement of the adjacent dura and mass effect on the brainstem. The MRA 3D-TOF shows a severe narrowing of the ipsilateral internal carotid artery.
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