Concurrent Papillary Craniopharyngioma and Growth Hormone-Secreting Pituitary Adenoma: A Rare and Aggressive Collision Tumor
Background/Objective: Collision tumors composed of craniopharyngiomas and pituitary adenomas are extremely rare.We report a collision tumor formed by a papillary craniopharyngioma and a growth hormone-secreting pituitary adenoma, which is the first report of such a tumor, to the best of our knowledge.Case Report: A 49-year-old man presented with 2