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The MRI sequences demonstrate a right parasellar mass (27 x 20 x 17 mm) centred on the cavernous sinus, displaying an isosignal to the cortical grey matter on T1/T2, and FLAIR with vivid homogeneous enhancement on postcontrast sequences and hyperostosis of the anterior clinoid. There is encasement with the reduced calibre of the ipsilateral internal carotid artery. Medially there is an extension to the sellar region with a shifted pituitary stalk to the left. Posteriorly a partial filling of the Meckel cave with mild thickening and enhancement of the prepontine dura are noted.
Cavum septum pellucidum is incidentally noted.