Objective Pituitary carcinomas are extremely rare tumors associated with poor prognosis
despite surgery, radiation, and chemotherapy. The hallmark of diagnosis implies …

Although pituitary adenomas (PAs) account for 15% of intracranial tumors, pituitary
carcinomas (PCs) are a rare entity. Most commonly, PCs evolve from aggressive PAs …

Pituitary carcinoma is characterized by the presence of systemic or central nervous system
metastases rather than malignant histological features, making it an anomaly amongst …

Context: Although pituitary adenomas are common, pituitary carcinoma is a very rare
condition. Objective: We report on a 48-yr-old male presenting with pituitary carcinoma with …

Pituitary carcinomas are rare pituitary tumors that by definition have cerebrospinal and/or
systemic metastases. Most of the tumors occur in the setting of multiple recurrences of …

Introduction: Pituitary carcinomas are poorly understood, rare entities. They are
distinguished from adenomas not by histopathological features but rather by the presence of …

A 35-year-old woman presented with a non-functioning pituitary adenoma manifesting as
amenorrhea and impaired visual acuity in 1984. The tumor was grossly totally resected …

Pituitary carcinomas are very rare tumors that in most cases produce prolactin and
adrenocorticotropic hormone (ACTH). It is a challenge to diagnosis of a pituitary carcinoma …

BACKGROUND Pituitary carcinoma is a rare type of malignancy that can be very difficult to
diagnose and treat. Many cases were diagnosed at autopsy. Delays in diagnosis often …

Null-cell carcinomas of the pituitary are extremely rare. We describe a 41-year-old woman
with a large adenohypophyseal neoplasm presenting as a primary nonfunctioning tumor …