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[A rare biphasic pulmonary tumor, carcinosarcoma. A separate entity or differentiation variant of spindle-cell
J C Renaud1, H Léna, S Caulet-Maugendre
1Service de Pneumologie, Hôpital Pontchaillou, CHRU Rennes.
Revue De Pneumologie Clinique
|January 1, 1997
Abstract:
We report a case of pulmonary carcinosarcoma. Surgery is required for this rare mixed type, biphasic tumor. It is generally considered to be a malignant formation issuing from a single cell line but with a two-way differentiation into epithelial and conjunctive components. There is a differentiation continuum between spindle-cell carcinomas (also called monophasic sarcomatoid carcinoma) and carcinosarcoma (or biphasic sarcomatoid carcinoma) leading to debate concerning the immunohistochemical and ultrastructural features.