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摘要


大部份小細胞癌是發生在肺部,而發現在大腸尤其是直腸之機率相當低。我們報告一直腸小細胞癌病例發生在一63歲男性患者,他患有血便約一個月,並未合併有體重減輕。經大腸鏡檢查發現一直腸腫瘤,切片檢查確定是小細胞癌。內視鏡超音波檢查發現此腫瘤侵犯到肌肉層且無淋巴結轉移。因患者不願開刀後作人工造瘻,所以病人接受經肛門腫瘤切除,合併術後化學治療及放射治療。

關鍵字

小細胞癌 直腸

並列摘要


Small cell carcinoma of rectum is a rare tumor, since the majority of small cell carcinomas are of primary pulmonary origin. This tumor manifested highly aggressive behavior. We reported a 63 year-old male patient who had bloody stool. Colonoscopy revealed a rectal mass with ulcerated surface. Endoscopic ultrasound miniprobe image showed a homogenous, hypoechoic rectal tumor invading into the muscularis propria layer. The diagnosis of small cell carcinoma was made after colonoscopic biopsy, and patient received surgical resection of tumor, followed by chemotherapy and radiotherapy.

並列關鍵字

small cell carcinoma rectum

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