Canadian Medical Guide > Diseases > Neoplasms > Neoplasms by Histologic Type > Neoplasms, Glandular and Epithelial Terms and Definitions

Neoplasms, Glandular and Epithelial

Medical Definition:	Neoplasms composed of glandular tissue, an aggregation of epithelial cells that elaborate secretions, and of any type of epithelium itself. The concept does not refer to neoplasms located in the various glands or in epithelial tissue.
Guide Notes:	neoplasms composed of glandular & epithelial tissue, NOT neoplasms located in various glands or epithelium: TN 135; /blood supply /chem /second /secret /ultrastruct permitted; coord IM with precoord organ/neopl term (IM)
Also Called:	Neoplasms, Epithelial,Glandular Neoplasms

Neoplasms, Glandular and Epithelial Categories.

	Adenoma - A benign epithelial tumor with a glandular organization.
	Carcinoma - A malignant neoplasm made up of epithelial cells tending to infiltrate the surrounding tissues and give rise to metastases. It is a histological type of neoplasm but is often wrongly used as a synonym for "cancer." (From Dorland, 27th ed)
	Neoplasms, Adnexal and Skin Appendage - Neoplasms composed of sebaceous or sweat gland tissue or tissue of other skin appendages. The concept does not refer to neoplasms located in the sebaceous or sweat glands or in the other skin appendages.
	Neoplasms, Basal Cell - Neoplasms composed of cells from the deepest layer of the epidermis. The concept does not refer to neoplasms located in the stratum basale.
	Neoplasms, Cystic, Mucinous, and Serous - Neoplasms containing cyst-like formations or producing mucin or serum.
	Neoplasms, Ductal, Lobular, and Medullary - Neoplasms, usually carcinoma, located within the center of an organ or within small lobes, and in the case of the breast, intraductally. The emphasis of the name is on the location of the neoplastic tissue rather than on its histological type. Most cancers of this type are located in the breast.
	Neoplasms, Mesothelial - Neoplasms composed of tissue of the mesothelium, the layer of flat cells, derived from the mesoderm, which lines the body cavity of the embryo. In the adult it forms the simple squamous epithelium which covers all true serous membranes (peritoneum, pericardium, pleura). The concept does not refer to neoplasms located in these organs. (From Dorland, 27th ed)
	Neoplasms, Squamous Cell - Neoplasms composed of squamous cells of the epithelium. The concept does not refer to neoplasms located in tissue composed of squamous elements.

Neoplasms, Glandular and Epithelial Medical Definitions and Terms

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