title: [Immunohistochemical findings in intrathoracic tumors. IV. gamma-glutamyl transpeptidase--a new tumor marker?].
abstract: Activity of gamma-glutamyltranspeptidase (gamma-GT) was investigated in 78 intrathoracic tumors. 43 of them (= 55%) showed different activities of gamma-GT in tumor tissue. Among bronchial carcinomas activity was found in 64% of all cases. The highest frequency on positive findings showed adenocarcinomas (= 83%). Activity was also observed in some non-tumorous diseases, such as sarcoidosis and lymphogranulomatosis. In this way gamma-GT does not act as a marker for tumor tissue.
mesh_terms: D002283:Carcinoma, Bronchogenic / Q000175:diagnosis / Q000201:enzymology; D004796:Clinical Enzyme Tests; D006651:Histocytochemistry; D006801:Humans; D007120:Immunochemistry; D008168:Lung / Q000201:enzymology; D008175:Lung Neoplasms / Q000175:diagnosis / Q000201:enzymology; D013899:Thoracic Neoplasms / Q000175:diagnosis* / Q000201:enzymology; D005723:gamma-Glutamyltransferase / Q000032:analysis*
chemical_list: D005723:gamma-Glutamyltransferase
vernacular_title: Immunhistochemische Befunde bei intrathorakalen Tumoren. IV. gamma-Glutamyltranspeptidase--ein neuer Tumorzellmarker?