[Basal cell adenoma of the parotid. An ultrastructural study]. 1986

G Chomette, and Y Le Charpentier, and B Karkouche, and M Auriol, and Lamas

The monomorphic basal cell adenoma of parotid gland is a rare tumor of salivary glands. Its diagnosis is difficult with adenoid cystic carcinoma. In the case reported here, a peculiar type named membranous adenoma, the thickness of basement membranes, their penetration inside the epithelial lobules, form true cylinders as in adenoid cystic carcinoma. The histoenzymology and the electron microscopy provide important diagnostic arguments: activity of alkaline phosphatases lower than in cystic adenoid carcinoma; cells of adenoma more differentiated (epidermoid or secretory cells) than those of cystic adenoid carcinoma. The prognosis of the tumor is good, though recurrences may occur.

UI MeSH Term Description Entries
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D010088 Oxidoreductases The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9) Dehydrogenases,Oxidases,Oxidoreductase,Reductases,Dehydrogenase,Oxidase,Reductase
D010307 Parotid Neoplasms Tumors or cancer of the PAROTID GLAND. Cancer of Parotid,Parotid Cancer,Cancer of the Parotid,Neoplasms, Parotid,Cancer, Parotid,Cancers, Parotid,Neoplasm, Parotid,Parotid Cancers,Parotid Neoplasm
D004848 Epithelium The layers of EPITHELIAL CELLS which cover the inner and outer surfaces of the cutaneous, mucus, and serous tissues and glands of the body. Mesothelium,Epithelial Tissue,Mesothelial Tissue,Epithelial Tissues,Mesothelial Tissues,Tissue, Epithelial,Tissue, Mesothelial,Tissues, Epithelial,Tissues, Mesothelial
D005260 Female Females
D006651 Histocytochemistry Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods. Cytochemistry
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000135 Acid Phosphatase An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. Acid beta-Glycerophosphatase,Acid beta Glycerophosphatase
D000236 Adenoma A benign epithelial tumor with a glandular organization. Adenoma, Basal Cell,Adenoma, Follicular,Adenoma, Microcystic,Adenoma, Monomorphic,Adenoma, Papillary,Adenoma, Trabecular,Adenomas,Adenomas, Basal Cell,Adenomas, Follicular,Adenomas, Microcystic,Adenomas, Monomorphic,Adenomas, Papillary,Adenomas, Trabecular,Basal Cell Adenoma,Basal Cell Adenomas,Follicular Adenoma,Follicular Adenomas,Microcystic Adenoma,Microcystic Adenomas,Monomorphic Adenoma,Monomorphic Adenomas,Papillary Adenoma,Papillary Adenomas,Trabecular Adenoma,Trabecular Adenomas
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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