Le carcinome pléomorphe du poumon. À propos d’un cas

Abstract

Pleomorphic carcinoma is a rare malignancy belonging to the family of nonsmall cell lung cancers. A 40-year-old man, a smoker, was hospitalized for thoracic pain and dry cough with a deteriorating general condition. The imaging showed a "drop ball" of both lungs. The pathological evidence was obtained by lung biopsy under scanographic control. The presence of supraclavicular and abdominal nodes classified the tumour as stage IV. The patient received six cycles of first-line chemotherapy associating cisplatin and vinorelbine. However, the disease continued to progress and distant metastases were observed. The patient died 6 months after the diagnosis. Pleomorphic carcinoma is identified by purely histological criteria: the concomitant presence of malignant epithelial and homologous sarcomatoid spindle-cell components. Like the other nonsmall cell lung cancers, the treatment is primarily surgical, and the invasive nature of this tumour makes it very difficult. Pleomorphic carcinoma has a poorer prognosis than conventional nonsmall cell lung cancers despite surgery, irradiation and chemotherapy, because relapse occurs early.