A large suprasellar vividly enhancing mass arises in the suprasellar cistern, inseparable from the infundibulum. The anterior pituitary seems separate. It compresses the optic chiasm and splays the optic nerves. T2 hyperintensity within the optical tracts compatible with oedema.
Differential includes papillary craniopharyngioma, pituitary macroadenoma, lymphoma, metastasis and pituicytoma.