Suprasellar tumor

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Craniopharyngioma.

Germ cell tumor.

Suprasellar meningioma.

Tuberculum sellae meningioma.

see also Suprasellar lesions.

A hyperintense suprasellar lesion is identified in T2 sequence and hypointense in T1 sequence, which heightens in a heterogeneous way after contrast administration, with the presence of necrotic cystic areas inside. The approximate diameters of the lesion are 15 x 11 x 11 (craniocaudal, transverse and anteroposterior respectively). The tumor broadly encompasses the pituitary stalk, with only the most distal portion of it being respected.

Likewise, the tumor exerts a mass effect on the optic chiasm, which is cranially displaced and widened. The findings described raise the differential diagnosis of suprasellar lesions such as craniopharyngioma, neurocytoma, metastases, pituitary neuroendocrine tumor of ectopic location …