多层螺旋CT增强扫描在胃肠道血管畸形诊断中的应用价值

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Abstract Objective To study the application value of multi-slice spiral CT enhanced scan in the diagnosis of gastrointestinal vascular malformation.Methods A total of 60 patients suspected with gastrointestinal vascular malformation treated in Baiyun District Hospital of Traditional Chinese Medicine,Guangzhou City from June 2017 to September 2018 were selected as research objects.Themulti-slice spiral CT enhanced scan and digital subtraction angiography were performed,and the digital subtraction angiography examination resultswere taken as golden standard.The clinical manifestations as well as diagnosis sensitivity,specificity and accordance rate ofmulti-slice spiral CT enhanced scan were recorded and counted.The display rate of gastrointestinal vascular malformation in the feeding artery,draining vein and arterio-venous fistula based on CT was analyzed.Results Through multi-slice spiral CT enhanced scan examination,32 patients were confirmed with gastrointestinal vascular malformation.At arterial phase,CT enhanced scan showed obviously strengthened strip,nodular or flake-shaped tortuous lesions or irregular vascular anomaly.At portal venous phase and equilibrium phase,the enhanced degree was substantially declined with thickened blood vesselwall while no obvious stenosis appeared in lumen.The diagnosis sensitivity,specificity and accordance rate based onmultislice spiral CT enhanced scan(96.86%,96.43%,96.67%)and digital subtraction angiography(100.00%,100.00%,100.00%)showed no statistically significant differences(P＞0.05).The display rate of gastrointestinal vascular malformation in the feeding artery and arterio-venous fistula based onmulti-slice spiral CT enhanced scan(96.88%,75.00%)and digital subtraction angiography(100.00%,81.25%)showed no statistically significant differences(P＞0.05).The display rate of gastrointestinal vascular malformation in the draining vein based onmulti-slice spiral CT enhanced scan(68.75%)was lower than that of digital subtraction angiography(100.00%),with statistically significant difference(P＜0.05).Conclusion Based onmulti-slice spiral CT enhanced scan,the position,range and morphology of gastrointestinal vascular malformation can be clearly and accurately displayed.Owing to its high diagnosis sensitivity,specificity and accordance rate,multi-slice spiral CT enhanced scanmay be served as themajormethod for screening of gastrointestinal vascular malformation.

Key words： Multi-slice spiral CT enhanced scan Digital subtraction angiography Gastrointestinal vascular malformation Sensitivity Specificity

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	LI Yi-liang
	ZHANG Chun-xia
	LI Yong
	ZENG Qing-le

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LI Yi-liang,ZHANG Chun-xia,LI Yong, et al. Application value of multi-slice spiral CT enhanced scan in the diagnosis of gastrointestinal vascular malformation[J]. 中国当代医药, 2020, 27(9): 111-114.

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http://dangdaiyiyao.com/EN/ OR http://dangdaiyiyao.com/EN/Y2020/V27/I9/111

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