十二指腸水平部の陥凹型早期癌の1例

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  • A CASE OF DEPRESSED EARLY CARCINOMA IN THE THIRD PORTION OF THE DUODENUM

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A 51-year-old man who was pointed out the duodenal lesion in the third portion endoscopically, was admitted to our hospital for further examination for his depressed lesion. Endoscopic examination showed a well-defined depression with redness in color, so we highly suspected the duodenal carcinoma of depressed type. Biopsied specimen from the lesion demonstrated a well differentiated tubular adenocarcinoma and we diagnosed the lesion as an early duodenal carcinoma of depressed type. Pancreatoduodenectomy was performed. Resected specimen showed a depressed lesion, measuring 2.0×1.4cm in size, in the third portion of the duodenum. Histologically, a well differentiated tubular adenocartinoma was limited to the mucosa without lymph node metastasis. There is no case report of depressed early carcinoma in the third portion of the duodenum in the literature.

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