刊期详情

Head and Neck Imaging订阅

A Diagnostic Value Analysis of CT Window Technique in Early Plaque of Atherosclerosi

Author：WU Qiang

affiliation：Department of Radiology, Yiling Hospital OF Yichang, Yichang 443100, Hubei province, China

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Abstract

Objective To investigate the value of CT window technique in the diagnosis of early plaque of atherosclerosis (AS). Methods Sixty cases of patients with early plaque of AS admitted in our hospital from January 2014 to October 2015 were selected as the study objects. All of them received routine CT and CT window technique examination. The diagnostic accuracy rates of different inspection methods were compared. Meanwhile, the display rate of AS early plaque under different window width was observed and compared. Results The accuracy of CT window technique in diagnosis of early plaque of AS (95.0%) was significantly higher than that of routine CT (83.3%) (P<0.05). When the window level was 200Hu, the display rate of early plaque of AS under window width 250Hu (95.0%) was significantly higher than those under window width 300Hu, 350Hu, 400 Hu and 450Hu (81.9%, 53.0%, 23.7%, 7.7%) (P<0.05). Conclusions Compared with routine CT, CT window technique has obvious advantages in displaying the early plaque of AS, and when the window level was 200Hu, the display rate of early plaque of AS under window width 200~250Hu is higher.

【Keyword】CT Window Technique; Atherosclerosis; Early Plaque; CT Angiography

【Chart number】R445.3; R543.3

【Document Identification Number】A

【DOI】 10.3969/j.issn.1672- 5131.2016.06.010

Chinese journal of CT and MRI

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