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[Metachronous primary pulmonary cancers. Apropos of a new case report]
D Piperno1, Y Pacheco, D Gindre
1Service de Pneumologie, Hôpital Sainte-Eugénie, Centre Hospitalier Lyon-Sud, Pierre-Bénite.
Revue Des Maladies Respiratoires
|January 1, 1989
Abstract:
The appearance of a second primary lung cancer more than four months after the initial cancer is called a metachronous cancer (as opposed to a synchronous cancer). We provide a case report of an epidermoid carcinoma coming more than three years after the initial diagnosis of an anaplastic small cell cancer of the lung. This second cancer developed in a different territory from the initial lesion. Amongst the hypotheses proposed chemotherapy may through an oncogenic action favour the appearance of a new type of cancer.