Background Pituitary tumours are common and easily treated by surgery or medical
treatment in most cases. However, a small subset of pituitary tumours does not respond to …

Prolactinomas account for approximately 40% of all pituitary adenomas and are an
important cause of hypogonadism and infertility. The ultimate goal of therapy for …

BACKGROUND Pituitary carcinomas are rare adenohypophysial neoplasms, the definition,
diagnosis, therapy, and prognosis of which are controversial. METHODS Pituitary …

Pituitary carcinomas, defined as distant metastases of a pituitary neoplasm, are rare; fewer
than 140 reports exist in the English literature. The initial presenting pituitary tumor is usually …

Imaging in patients with brain tumors aims toward the determination of the localization,
extend, type, and malignancy of the tumor. Imaging is being used for primary diagnosis …

Positron emission tomography (PET) was used in over 400 examinations in patients with
pituitary adenoma. It was demonstrated that PET with carbon-11-methionine can give …

Pituitary tumors are mostly benign lesions, although 5–35% are locally invasive. A small
number exhibit a more aggressive course, infiltrating dura, bone and sinuses, and are …

Studies of DNA ploidy offer little diagnostic assistance and are of no prognostic significance
in predicting invasiveness of pituitary tumours [3, 18]; however, proliferative indices have …

Pituitary carcinomas are extremely rare. In general, the initial clinical, biochemical, and
histological characteristics are of minimal utility in distinguishing benign adenomas from …

Purpose The purpose of this work was toinvestigate the clinicopathological characteristics at
the initial diagnosis of the pituitary tumor and at pituitary carcinoma (PC) diagnosis …