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Pituitary Adenoma


A slow-growing benign tumor. The pituitary gland, responsible for secretion of hormones, can form a tumor. It can cause an over secretion of hormones and cause problems such as acromegaly (growth hormone hypersecretion), Cushing's disease (corticosteroid hormone hypersecretion). Prolactinoma refers to a tumor that over secretes prolactin, which often leads to galactorrhea (secretion of milk from breast tissue). If a tumor grows to a large size, it can cause a compression of the optic system leading to visual deficits. Treatments can consist of surgical resection, either through the nose (transphenoidal surgery) or through the cranium, or radiation approaches.