Image evaluation of 320 multi-slice spiral computed tomography angiography in the diagnosis of nutcracker syndrome

VernacularTitle:320排CT血管成像诊断胡桃夹综合征的影像评价
Author: Liang CHEN ; Hongzhen WU ; Lipeng CHEN ; Wenfeng LIU ; Mingwang CHEN ; Xinhua WEI
Publication Type:Journal Article
Keywords: nutcracker syndrome; angiography; computed tomography; superior mesenteric artery; left renal vein
From: Journal of Practical Radiology 2014;(4):635-637
CountryChina
Language:Chinese
Abstract: Objective To summarize the image features of nutcracker syndrome (NCS)on 320 multi-slice spiral computed tomo-graphy angiography (CTA).Methods The clinical and CTA data of 1 5 cases with NCS were analyzed retrospectively.The angle(α) between superior mesenteric artery (SMA)and abdominal aorta(AA)was measured.The ratio(a/b)of the diameters of the most narrow and the most wide at the hilus of left renal vein (LRV)was calculated.Results The angel(α)of 1 5 cases were ranged from 15.5°to 27.6°.The range of a/b was from 0.22 to 0.35.Left renal enlargement were observed on four cases.Collateral circulation were detected on two cases.Duodenal stasis was detected on one case.Conclusion CTA findings of NCS is characteristic,which can noninvasively,rapidly and comprehensively display the surrounding anatomy of LRV.It is helpful in clinical diagnosis.