Pituitary carcinomas are rare lesion defined as adenohypophyseal tumours that metastasize
throughout the craniospinal axis or to systemic sites, usually bone, liver or lymph nodes …

Pituitary adenomas are classified as typical or atypical, invasive or noninvasive, and
aggressive or nonaggressive based on pathological features, radiological findings, and …

Invasive adenomas show pathologic or radiological signs of invasion to the cavernous or
sphenoid sinuses, bone, or nasal mucosa. WHO classification categorizes pituitary …

Pituitary carcinomas are rare neoplasms characterized by craniospinal and/or systemic
metastases originated from the pituitary. Their histopathology is frequently indistinguishable …

We report a case of a 66-year-old woman with a malignant transformation of a growth
hormone (GH)-producing pituitary adenoma that was mainly located in the clivus. The …

Objective To describe a case of a pituitary macroadenoma that differentiated into a
corticotropin (ACTH)-secreting carcinoma with metastasis to the thigh. Methods We present …

Although almost all pituitary tumors are benign adenomas, a surprisingly large number of
these tumors invade tissues outside of the pituitary gland. Such invasion, by itself, is not …

Endocrine pituitary tumors arise from adenohypophyseal cells. Their classification has
evolved over the years supported by continuing improvements of numerous technologies …

Eur J Clin Invest 2012 Abstract Purpose While pituitary adenomas are common, pituitary
carcinomas are rare. It is unclear whether pituitary carcinomas arise de novo or evolve from …

Pituitary adenoma invasion into the orbit is a rare phenomenon with only 22 cases, including
the present case, in the literature. Our case is a 31-year-old man who presented with biopsy …