A Case Report of Radical Operation for Ascending Colon Cancer with Superior Mesenteric Vein Tumor Embolus

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  • 根治手術を施行した上腸間膜静脈腫瘍塞栓を伴う上行結腸癌の1例
  • 症例 根治手術を施行した上腸間膜静脈腫瘍塞栓を伴う上行結腸癌の1例
  • ショウレイ コンジ シュジュツ オ シコウ シタ ジョウチョウカンマク ジョウミャク シュヨウ ソクセン オ トモナウ ジョウギョウ ケッチョウ ガン ノ 1レイ

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Abstract

A 70-year-old woman was seen at our hospital because of right-sided abdominal pain. The Hb level was 4.7g/dL, showing anemia. Following upper and lower gastrointestinal series, she was diagnosed with ascending colon cancer with invasion into the duodenum. Chest and abdominal contrast-enhanced CT scans confirmed absence of distant metastasis, but demonstrated tumor embolus within the superior mesenteric vein. Right hemicolectomy and local excision of the duodenum were performed on the 7th hospital day. At that time, the superior mesenteric vein where was affected by the tumor embolus was also removed, so that we had to resect the small intestine by about 250 cm in length where had been congested. Diarrhea and electrolyte imbalance which occurred postoperatively were relieved spontaneously. After discharge, 10 courses of FOLFOX regimen were conducted as adjuvant chemotherapy. No recurrence has occurred as of 9 months after the operation.<BR>Colorectal cancer associated with tumor embolus in the superior mesenteric vein is rare and only five cases treated by surgical resection have been reported so far. This case is presented here with a review of the literature.

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