インターフェロン-α療法が原発巣，肺転移などに奏功した進行性腎細胞癌の1例

概要

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A 67-year-old man was admitted with a chief complaint of dyspnea. Computed tomography (CT) revealed a left renal tumor, 12 cm in diameter, with tumor thrombus in the left renal vein, multiple lung metastases, right pleural effusion, and para-aortic lymph node metastases. Because of poor condition in respiratory status, nephrectomy was considered to be impossible and the patient was administered 6×106 IU of interferon-alpha daily. Then, 6×106 IU was alsoadministered three times a week. At 14 months after interferon-alpha therapy, CT scan showed complete remission of lung, pleura metastases and right pleural effusion, and the left renal tumor was markedly reduced in size. Because of improvement of general condition, nephrectomy of the left kidney was performed. Twenty-seven months after the start of interferon-alpha therapy, the patient is alive without evidence of disease.