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放射影像(九十四)上腸繫膜動脈症候群

摘要


上腸繫膜動脈症候群(superior mesenteric artery syndrome)是少見的上消化道阻塞疾病。發生原因是指後天的主動脈上腸系膜動脈夾角(aortomesenteric angle)過小造成在兩者之間橫走的第三部分十二指腸的壓迫,進而造成近端十二指腸阻塞及急性胃擴張的症狀。

參考文獻


Biswas A, Babu AA, Neelakantan S, et al. Superior mesenteric artery syndrome: CT findings. BMJ Case Rep 2016;1-2
Cohen LB, Field SP, Sachar DB. The superior mesenteric artery syndrome. The disease that isn't, or is it? J. Clin. Gastroenterol 1985;7:113-116
Lamba R, Tanner DT, Sekhon S, et al. Multidetector CT of Vascular Compression Syndromes in the Abdomen and Pelvis. RadioGraphics 2014;34: 3-115.

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