Adenomatous Polyps

Acrospiroma

A rare cutaneous tumor of apocrine or eccrine SWEAT GLAND origin. It is most commonly found on the extremities and is usually benign. It app…

ACTH-Secreting Pituitary Adenoma

A pituitary adenoma which secretes ADRENOCORTICOTROPIN, leading to CUSHING DISEASE.

Adenoma

A benign epithelial tumor with a glandular organization.

Adenoma, Acidophil

A benign tumor, usually found in the anterior lobe of the pituitary gland, whose cells stain with acid dyes. Such pituitary tumors may give …

Adenoma, Basophil

A small tumor of the anterior lobe of the pituitary gland whose cells stain with basic dyes. It may give rise to excessive secretion of ACTH…

Adenoma, Bile Duct

A benign tumor of the intrahepatic bile ducts.

Adenoma, Chromophobe

A benign tumor of the anterior pituitary in which the cells do not stain with acidic or basic dyes.

Adenoma, Islet Cell

A benign tumor of the pancreatic ISLET CELLS. Usually it involves the INSULIN-producing PANCREATIC BETA CELLS, as in INSULINOMA, resulting i…