Nodes

New abnormal growth of tissue in the ABDOMEN.

Clusters of colonic crypts that appear different from the surrounding mucosa when visualized after staining. They are of interest as putative precurs…

A neoplasm composed of squamous or epidermal cells.

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

Symptom complex due to ACTH production by non-pituitary neoplasms.

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

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

A malignant epithelial tumor with a glandular organization.

A lesion with cytological characteristics associated with invasive adenocarcinoma but the tumor cells are confined to the GLANDULAR EPITHELIAL CELLS …

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

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

An adenocarcinoma characterized by the presence of varying combinations of clear and hobnail-shaped tumor cells. There are three predominant patterns…

An adenocarcinoma of the thyroid gland, in which the cells are arranged in the form of follicles. (From Dorland, 27th ed)

An adenocarcinoma producing mucin in significant amounts. (From Dorland, 27th ed)

An adenocarcinoma containing finger-like processes of vascular connective tissue covered by neoplastic epithelium, projecting into cysts or the cavit…

An adenocarcinoma with a hard (Greek skirrhos, hard) structure owing to the formation of dense connective tissue in the stroma. (From Dorland, 27th e…

A malignant tumor composed of cells showing differentiation toward sebaceous epithelium. The tumor is solitary, firm, somewhat raised, more or less t…

A benign neoplasm composed of glandular and fibrous tissues, with a relatively large proportion of glands. (Stedman, 25th ed)

A benign tumor characterized histologically by tall columnar epithelium within a lymphoid tissue stroma. It is usually found in the salivary glands, …

A benign epithelial tumor with a glandular organization.

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

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, resulti…

A benign tumor of the intrahepatic bile ducts.

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

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

A benign epithelial tumor of the LIVER.

A usually benign glandular tumor composed of oxyphil cells, large cells with small irregular nuclei and dense acidophilic granules due to the presenc…

A benign, slow-growing tumor, most commonly of the salivary gland, occurring as a small, painless, firm nodule, usually of the parotid gland, but als…

A benign neoplasm derived from epithelial cells of sweat glands. (Stedman, 25th ed)

An adenoma of the large intestine. It is usually a solitary, sessile, often large, tumor of colonic mucosa composed of mucinous epithelium covering d…