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首页> 外文期刊>Journal of computer assisted tomography >Median arcuate ligament syndrome: multidetector computed tomography findings.
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Median arcuate ligament syndrome: multidetector computed tomography findings.

机译：中弓状韧带综合征：多排计算机断层扫描结果。

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OBJECTIVE: We aimed to describe the clinical and multidetector computed tomography (MDCT) angiography findings of celiac, mesenteric, and renal artery entrapment by the median arcuate ligament. MATERIALS AND METHODS: Patients (n = 453) who underwent MDCT abdominal aorta angiography in a period of 3 years were retrospectively reviewed for vascular compression by median arcuate ligament known as median arcuate ligament syndrome. The MDCT examinations were performed with 16-slice (n = 292) and 64-slice scanners (n = 161). The median arcuate ligament itself and adjacent vascular branches of abdominal aorta were assessed for compression by 2 different radiologists who are experienced on MDCT angiography more than 3 years. Both axial, multiplanar reformatted images and 3-dimensional angiographies were used for interpretation. RESULTS: Twelve patients were found to have clinically significant vessel entrapments by median arcuate ligament; 6 of them with celiac artery, 4 of them with renal artery, and 2 of them with both celiac and mesenteric artery involvement. Patients with celiac and mesenteric vessel entrapments presented with epigastric pain. All patients with renal artery entrapment had resistant hypertension. The MDCT showed the proximal narrowing caused by compression of median arcuate ligament. The proximal portions of renal arteries pulled down and in toward the aorta, with mild to moderate narrowing. CONCLUSIONS: The MDCT exanimation with multiplanar images and 3-dimensional angiography is a noninvasive imaging technique that can be used with high accuracy in the diagnosis of median arcuate ligament syndrome.
机译：目的：我们旨在描述正中弓状韧带引起的腹腔，肠系膜和肾动脉夹带的临床和多探测器计算机断层扫描（MDCT）血管造影结果。材料与方法：回顾性分析了3年内行MDCT腹主动脉造影的患者（n = 453）的弓形中韧带综合征，即中弓形韧带对血管的压迫。 MDCT检查使用16层（n = 292）和64层扫描仪（n = 161）进行。由两名在MDCT血管造影上具有3年以上经验的放射线医师评估中位弓形韧带本身和腹主动脉的相邻血管分支是否受压。轴向，多平面重新格式化图像和3维血管造影均用于解释。结果：发现十二例患者的弓形韧带正中有临床上显着的血管夹带。其中6例患有腹腔动脉，4例患有肾动脉，2例同时患有腹腔和肠系膜动脉。腹腔和肠系膜血管夹带的患者表现为上腹痛。所有患有肾动脉夹带的患者均具有耐药性高血压。 MDCT显示由于弓形韧带正中压缩引起的近端变窄。肾动脉的近端部分向下拉至主动脉，轻度至中度变窄。结论：具有多层平面图像和3维血管造影术的MDCT放疗是一种非侵入性成像技术，可用于诊断中弓状韧带综合征。

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