Abdominal Neoplasms

Acanthoma

A neoplasm composed of squamous or epidermal cells.

ACTH-Secreting Pituitary Adenoma

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

Adamantinoma

A locally aggressive, osteolytic neoplasm of the long bones, probably of epithelial origin and most often involving the TIBIA.

Adenocarcinoma, Bronchiolo-Alveolar

A carcinoma derived from epithelium of terminal bronchioles, in which the neoplastic tissue extends along the alveolar walls and grows in sm…

Adenocarcinoma of Lung

A carcinoma originating in the lung and the most common lung cancer type in never-smokers. Malignant cells exhibit distinct features such as…

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…

Adenoma, Liver Cell

A benign epithelial tumor of the LIVER.

Adenomatous Polyposis Coli

A polyposis syndrome due to an autosomal dominant mutation of the APC genes (GENES, APC) on CHROMOSOME 5. The syndrome is characterized by t…