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Microadenomas are benign tumors that are 1 cm (less than half an inch) in diameter or smaller. Microadenomas may produce hormones and therefore are functioning tumors. . . . more |
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Macroadenoma are benign tumors that are larger than 1 cm and may be either functioning or nonfunctioning. . . . more |
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Pituitary apoplexy is the sudden onset of pituitary gland failure and neurological abnormalities due to hemorrhage (bleeding) . . . . more |
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A prolactinoma is a benign tumor of the pituitary gland that produces excessive amounts of a hormone. . . . more |
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Acromegaly and gigantism are caused by a functioning tumor that produces excessive amounts of growth hormone (GH). . . . more |
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Cushing's syndrome refers to symptoms caused by prolonged exposure of the body's tissues to high levels of the hormone cortisol (a steroid) and may be caused by several different disorders. . . . more |
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Craniopharyngiomas are rare, slow-growing, benign tumors that occur in the sella region. The sella turcica, which houses the pituitary gland, is a depression in the upper surface of the sphenoid bone at the base of the skull. . . . more |
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Rathke's cleft cyst is a benign (noncancerous) abnormality that develops within the sella turcica (the bone that houses the pituitary gland). . . . more |
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Nonpituitary Intrasellar Tumors Tumors and conditions can occur within the sella turcica but are not pituitary tumors. . . . more |
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Thyroid-stimulating hormone-secreting (TSH) tumor TSH secreting tumors are rare and represent only about 1 to 2% of all pituitary tumors. They may occur as microadenomas or macroadenomas. . . . more |
