A Case Report on Idiopathic Mesenteric Phlebosclerosis Accompanied by Carcinoma of the Transverse Colon
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概要
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Idiopathic mesenteric phlebosclerosis (IMP) is a rare ischemic disorder of the colon associated with phlebosclerosis of the mesenteric vein. We report on a particularly rare case of idiopathic mesenteric phlebosclerosis complicated by carcinoma. An 82–year–old Japanese male complained of weight loss. He was diagnosed as having carcinoma of the transverse colon and was admitted to our hospital for treatment. Colonoscopy showed that the colonic mucosa was dark blue–purple and edematous. An ulcerative lesion was observed at the transverse colon. Computed tomography showed marked thickening of the wall of the ascending and transverse colon with intramural and mesenteric vein calcification. Luminal narrowing was revealed at the hepatic flexure of the transverse colon. These preoperative examinations revealed a transverse colon carcinoma complicated with IMP. A right hemicolectomy was performed. Macroscopically, the tumor existed at the hepatic flexure of the transverse colon. The mucosa surrounding the tumor showed a slightly dark purple–colored and edematous surface. Histpathological examinations revealed collagen deposition around the vessels in the mucosa and marked fibrous mural thickening with calcification of the mesenteric veins and their branches. We diagnosed this as IMP accompanied by carcinoma. IMP is a rare disease that has been reported only in Asian countries, especially in Japan. It has been suggested that IMP exhibits race specificity. However, the etiology of IMP has not yet been fully elucidated. To our knowledge, only three cases of IMP accompanied by carcinoma have been reported, including this case. Further investigation of additional cases is required.
- 日本外科系連合学会の論文
日本外科系連合学会 | 論文
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