Primary Squamous Cell Carcinoma of the Ascending Colon. Case Report.
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概要
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Malignant tumors originating in the large intestine, excluding the anus and lower rectum, are mostly adenocarcinoma, and tumors with squamous cell components are rare. We encountered a male with primary squamous cell carcinoma in the ascending colon. After thorough examination this 60-year-old male with abdominal pain was diagnosed as having a tumor in the ascending colonaccompained by liver metastasis. Palliative resection by right hemicolectomy was performed. Histopathological examinations showed the absence of tubular structures and demonstrated poorly differentiatedsquamous cell car-cinoma. To our knowledge, only 40 cases of primary squamous cell carcinoma of the colon have been reported since the first report by Schimidtmann (1919). Squamous cell carcinomaof the colon had a poorer prognosis than adenocarcinoma of the colon, and only slight treatment efficacy can be expected. No other lesions that appeared to be primary were observed during the patient'scourse, suggesting that this was a case of primary squamous cell carcinoma in the colon.
- 一般社団法人 日本消化器外科学会の論文
一般社団法人 日本消化器外科学会 | 論文
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