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Collision lesions of the sellar region are relatively uncommon. Most contributions include a pituitary adenoma or a cyst/cystic tumor, particularly a Rathke cleft cyst. The association of craniopharyngioma with an adenoma is particularly rare. Among reported cases, some have included secondary prolactin cell hyperplasia due to pituitary stalk section effect. Herein, we report two collision lesions, including a gonadotroph adenoma with adamantinomatous craniopharyngioma and a corticotroph adenoma with Rathke's cleft cyst. Clinicopathologic correlation and a review of the literature are undertaken.

Original publication

DOI

10.1007/s11102-007-0070-6

Type

Journal article

Journal

Pituitary

Publication Date

2008

Volume

11

Pages

317 - 323

Keywords

ACTH-Secreting Pituitary Adenoma, Adenoma, Central Nervous System Cysts, Corticotrophs, Craniopharyngioma, Gonadotrophs, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Pituitary Neoplasms, Sella Turcica, Treatment Outcome