Head and Neck Imaging
Comparative Study of LAVA-EnhancedMRI and High Frequency Cavity B Ultrasound in High Complex anal Fistula Preoperative Examination
Author：WANG Ting-hong, GU Jian-ping, WANG Li-ping.
affiliation：Nanjing Medical University, Nanjing Jiangsu, 210029, P.R.China
PDFAbstract
Objective To investigate the value of LAVA-enhanced magnetic resonance imaging and high frequency cavity B ultrasound of high complex anal fistula preoperative diagnosis. Methods a retrospective analysis of 50 cases verified by operation of high complex anal fistula B ultrasound image and MRI image, the operation results as the standard, comparison of LAVA-Enhanced magnetic resonance imaging and high frequency cavity B ultrasound results. Results the operation result as the standard, high frequency cavity B ultrasound and LAVA-Enhanced magnetic resonance imaging results compared, accuracy rate of export orientation in the anal fistula were 91.1% and 82.2% (X2 =1.53, P>0.05), branch display rate was 62.2% and 88.8% (X2 =8.66, P<0.01), perianal abscess display rate (95% and 100%) X2 =1.07, P>0.05), other complications display rate (50% and 100%) (X2 =8.6, P<0.01). export orientation in the anal fistula and perianal abscess localization accuracy without significant difference. Branch and other complications showed highly significant difference. Conclusion high frequency cavity B ultrasound diagnosis for simple anal fistula preoperative diagnosis, whereas LAVA-enhanced MRI is more suitable for high complex anal fistula preoperative.
【Keyword】LAVA -enhanced; Magnetic Resonance Imaging; High Frequency Cavity B Ultrasound; Anal Fistula
【Chart number】R735.3：R445.2
【Document Identification Number】A
【DOI】10.3969/j.issn.1672-5131.2015.03.27
Chinese journal of CT and MRI
th13Volume， th 3 Issue
2015Year03Month
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