A Case Report of Early Stage Small Cell Carcinoma with Polypoid Growth.

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In a 64-year-old male with bloody sputum and dyspnea, bronchoscopic examination revealed a polypoid small cell carcinoma obstructing the left main bronchus. After 44 Gy Linac irradiation, the polyp was removed bronchoscopically. Preoperative examination indicated no lymph node or distant metastases. Left upper sleeve lobectomy was performed. The tumor originated at the bifurcation of the left upper division and lingular bronchus. Histologically, the tumor was shown not to invade beyond the bronchial wall and there was no lymph node metastasis. Intensive chemotherapy failed due to leukopenia. At 4 months after the operation, metastasis to lumbar vertebrae developed and at 8 months, the patient died. Intensive chemotherapy should be conducted in early stage small cell carcinoma.
特定非営利活動法人日本肺癌学会の論文