Two Cases of Metachronous Colorectal Metastasis after Curative Resection of Early Gastric Cancer

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  • 早期胃癌根治切除術後に異時性の大腸転移を来した2例

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Abstract

<p>We report two cases of metachronous colorectal metastasis after curative resection of early gastric cancer. Case 1 was a 66-year-old man who underwent distal gastrectomy at age 57 years, with pathological findings of T1a (M), tub2>tub1, N1, Ly0, V0, pStage IB. Eight years and five months after surgery, the patient visited our hospital with a chief complaint of abdominal pain. The preoperative diagnosis was duodenal invasion of carcinoma of the transverse colon or colorectal invasion of papillary carcinoma of the duodenum, and radical surgery was performed. Postoperative pathological examination revealed metastasis of gastric cancer. Case 2 was a 77-year-old man who underwent distal gastrectomy at age 75 years, with pathological findings of T1b2 (SM2, 1,700 μm), tub2> por, N1, Ly1, V0, pStage I/IB. Two years and one month after surgery, the patient visited our hospital because of positive fecal occult blood. Colonoscopy revealed an Isp polyp in the descending colon, which was diagnosed as gastric cancer metastasis by pathological examination. Contrast-enhanced CT also showed bone metastasis. The patient is currently receiving chemotherapy.</p>

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