4. Clinical Studies on Superior Mesenteric Arteriography (bowel disease)

概要

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150 selective angiographies of the superior mesenteric artery (=SMA) were studied clinically, included 29 cancer of the colon, 9 ulcerative colitis, 2 Crohn's disease, 2 polyposis of the colon and others. The SMA originated at the left side level of the first lumbar vertebra was in 64% of the all cases. The SMA arose as a celiomesenteric trunk rarely (2%) and had the many inconstant branches, included a right hepatic artery in 9.3% (7.3% replaced, 2% accessory right hepatic) and a common hepatic artery in 2%. The right colic artery arised as a branch of a middle colic right colic common trunk in 52%, directly from the SMA in 40% and as a branch of the ileocolic artery in 8%. Studies of the SMA angiographic, operative and post-operative, microangiographic findings demonstrated serrated encasement and displacement of the marginal artery when the tumor was extended through the bowel wall and enlarged over about 9cm in diameter. Tumor vessels and tumor staining were observed in the well differentiated adenocarcinoma and indicated the extent of cancer. The angiographic findings in ulcerative colitis and others also were studied and single shot infusion of steroid was effective in treatment for the active stage of ulcerative colitis. Selective angiography of the SMA offers reliable and valuable information in the evaluation of bowel disease.
日本大腸肛門病学会の論文