Objective The collision of pituitary adenoma and craniopharyngioma is extremely rare and
thus there remains a paucity of data. Methods We described a patient from our institution …

Purpose This study investigates the rare occurrence of tumor-to-tumor metastasis in Pituitary
Neuroendocrine Tumors (PitNETs), also known as pituitary adenomas, aiming to enhance …

Abstract Purpose/Objective Multiple tumorous lesions in one pituitary gland are rare and
mostly described in case reports. Their incidences and combinations are defined in larger …

Abstract Background/Objective Collision tumors composed of craniopharyngiomas and
pituitary adenomas are extremely rare. We report a collision tumor formed by a papillary …

Collision tumors involving the sella are rare. Intrasellar collision tumors are most commonly
composed of a combination of pituitary adenomas and pituitary neuroendocrine tumors; …

Collision tumors are extremely rare in the sellar region, and their features have not been
fully characterized. Here, we report our single-center experience in the diagnosis and …

The coexistence of craniopharyngioma and pituitary adenoma in sellar region increased
gradually in recent years. The origin for the two types of tumor cells has become …

Double or multiple pituitary adenomas expressing different types of transcription factors and
collision tumors of pituitary adenomas and craniopharyngiomas are rare. In this report, we …

Introduction. Pituitary neuroendocrine tumors account for 3.9-7.4/100.000 of central nervous
system tumors in the Western world. They are particularly noteworthy, comprising 10-15% of …

Collision tumors in the sellar region are very rare, mainly formed by the coexistence of two or
more primary tumors from different tissue sources in the sellar region. Among them, the …