Value of intracavitary contrast-enhanced ultrasound in the diagnosis of fistulas

doi:10.3877/cma.j.issn.2095-3232.2013.05.008

Abstract

Abstract:

Objective

To investigate the value of intracavitary contrast-enhanced ultrasound (IC-CEUS) in the diagnosis of fistulas.

Methods

Clinical data of 20 patients in Department of Medical Ultrasonics, the Third Affiliated Hospital of Sun Yat-sen University from June 2009 to July 2012 were enrolled in the study for retrospective analysis. The patients underwent examinations of conventional ultrasound (CUS) and IC-CEUS, and were confirmed with fistulas by X-ray fistulogram or operation. The informed consents of all patients were obtained and the ethical committee approval was received. There were 14 males and 6 females with age ranging from 17 to 77 years old and median age of 56 years old. The diagnostic coincidence rates of fistulas by CUS and IC-CEUS were calculated respectively. And the difference between two methods was compared by Chi-square test.

Results

Five fistulas were detected by CUS with the diagnostic coincidence rates of 25% (5/20), while the fistulas could not be located exactly. Eighteen fistulas were detected by IC-CEUS with the diagnostic coincidence rate of 90% (18/20) and all the fistulas could be located exactly. The diagnostic coincidence rate of IC-CEUS was evidently higher than that of CUS. There was significant difference between two methods(χ²=17.289, P<0.05).

Conclusions

IC-CEUS has higher detective ability for fistulas than CUS and it could be one of the important imaging means in the diagnosis of fistulas.

Key words: Ultrasonography, interventional, Ultrasonography, Fistula, Diagnosis, Radiology, interventional

Er-jiao XU, Huan-yi GUO, Jie REN, Man ZHANG, Zhong-zhen SU, Rong-qin ZHENG. Value of intracavitary contrast-enhanced ultrasound in the diagnosis of fistulas[J]. Chinese Journal of Hepatic Surgery(Electronic Edition), 2013, 02(05): 306-309.

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References 17

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