A well circumscribed sellar supra sellar mass isointense on T1 as well as T2 images.
On post contrast images mass show homogenous enhancement, slightly lesser than that of normal profusely enhancing pituitary which is seen separately at the floor of hypophyseal fossa, rules out Macroadenoma, a focal dural tailing is seen anterior to the mass.
Significant mass effect over pituitary stalk and optic chiasma. ICAs are on etiher side of mass, not encased or invaded.
Imaging diagnosis : Sellar meningioma.