MSCT血管造影在自发性孤立性肠系膜上动脉夹层中的应用价值

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Abstract Objective: To investigate the value of MSCT angiography and post-processing technique in the diagnosis, treatment and follow-up of spontaneous isolated superior mesenteric artery dissection(SISMAD). Methods: 46 patients with SISMAD admitted from December 2012 to October 2016 were included in this study. The clinical presentation, MSCTA characteristics, clinical outcome and follow-up CT changes were analyzed retrospectively. Sakamoto classification was made． Results: The tearing site, intimal-flap, true and false lumens, and thrombus of SISMAD were clearly displayed on MSCTA images. According to Sakamoto＇s classification, 11 patients were categorized into typeⅠ, 4 patients were type Ⅱ, 26 patients were type Ⅲ, and 5 patients were type Ⅳ. The location of intimal tear was (25.2±6.5)mm distal from the SMA origin on CT, the median length of dissection was (75.4±4.3)mm. 44 patients underwent conservative treatment, and 2 patients were performed in endovascular intervention, all patients presented good curative effect． The follow-up MSCTA showed complete remodeling in 2 patients, partial remodeling in 9 patients, and no changes in 33 patients. Conclusion: MSCTA and post-processing technique can clearly and fully display the characteristic features of SISMAD, which is very helpful for clinical diagnosis, treatment and follow-up management．

Key words： Mesenteric artery, superior Aneurysm, dissecting Tomography, spiral computed Angiography

Received: 20 March 2017

PACS:	Ｒ543.5
	Ｒ814.42
	Ｒ814.43

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	Articles by authors
	YAN Su
	SHAN Hai-rong
	LIU Yi-wen
	MIN Zhi-gang
	JI Ai-bing

Cite this article:

YAN Su,SHAN Hai-rong,LIU Yi-wen, et al. Application value of MSCT angiography for spontaneous isolated superior mesenteric artery dissection[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2018, 29(5): 341-344.

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http://www.jccmi.com.cn/EN/ OR http://www.jccmi.com.cn/EN/Y2018/V29/I5/341

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