[A case of inoperable gastric small cell carcinoma effectively treated by chemotherapy and radiotherapy].

We herein report a case of advanced gastric small cell carcinoma treated by chemotherapy and radiotherapy. A 69-year-old man was admitted to our hospital presenting with appetite loss and body weight loss. He was diagnosed to have an inoperable gastric small cell carcinoma with severe lymph node metastases and left adrenal gland metastasis. Chemotherapy with TS-1/paclitaxel, cisplatin/irinotecan and cisplatin/etoposide was sequentially performed. Primary and metastatic foci had obviously diminished. Eighteen months after the initial therapy, he had dysarthrosis and multiple brain metastases were found. Metastatic foci were decreased and his symptom was improved by successful radiotherapy. We conclude that chemotherapy and radiotherapy are effective for primary and metastatic lesions of gastric small cell carcinoma.