[Immunohistochemical findings in intrathoracic tumors. VI. N-acetyl-beta-glucosaminidase].


N-Acetyl-beta-Glucosaminidase (NAG) activity was investigated in 50 intrathoracic tumors with a histochemical method. Altogether, 22 of 50 (= 44%) different tumors showed enzyme activity in tumor tissue. The distribution of positive findings in bronchial carcinomas showed a marked difference between epidermoid carcinomas and adenoid carcinomas. Twelve of 14… (More)


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