In the pituitary sella, the coexistence of pituitary adenoma and primary pituitary lymphoma is
exceedingly rare. Thus far, only six cases have been reported. Here, we present the seventh …

Background: Pituitary neuroendocrine tumors (PitNETs) are a diverse group of benign
neoplasms that account for a significant proportion of intracranial tumors (13%). The …

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 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 …

Background Craniopharyngioma (CP) and cranial fibrous dysplasia (CFD) are rare
embryonic benign cranial diseases that most commonly present during childhood or …

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 …

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 …

Coexisting Non-functioning Pituitary Macroadenoma and Sellar-Suprasellar Lipoma: A Case
Report and Literature Review Page 1 Coexisting Non-functioning Pituitary Macroadenoma and …

The collision of pituitary adenoma and craniopharyngioma has rarely been reported. This
study describes a 50-year-old woman who presenting with symptoms of extremely fatigue …