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| The value of MDCT combined with multi window parameters and #br#
curved planar reformation in diagnosis of esophageal fistula |
| LIU Cai-yun, MIAO Xin-zhong, SHA Zheng-bu, MENG Chong, XU Xu, MA Yun-song, JIANG Yue |
| Department of Radiology, the Third Affiliated Hospital of Xuzhou Medical University, Xuzhou Jiangsu 221003, China |
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Abstract Objective: To assess the diagnostic value of axial combined with multi window technique and curved planar reformation(CPR) for esophageal fistula. Methods: A retrospective analysis was based on data collected from 110 patients for suspected esophageal fistula from October 2010 to October 2016. All patients underwent MDCT axial, multi window parameters and CPR. The chi-square test was used to compare differences of the results of esophageal fistula, fistula position diagnosed by axial combined with multi window technique and CPR. Taking the results of endoscopy, or follow-up as the standard, the diagnostic value of axial combined with multi window technique and CPR, axial were analyzed and compared by ROC. Wilcoxon test was used to examine the difference of the length of the fistula examined by MDCT and endoscopy. Results: Among these 110 patients of suspected esophageal fistula, a total of 53 patients(55 fistulas) were diagnosed using endoscopy and 1 patient had 3 fistulas. The efficiency of axial combined with multiple window technique and CPR in the diagnosis of esophageal fistula was higher than that of axial, the difference was statistically significant(χ2=8.787, P=0.032), which was no difference for fistula position(χ2=0.104, P>0.05). Compared with the length of fistula using endoscopy, significant difference was observed using CPR fat window(z=-2.722, P=0.006). There was no significant difference using CPR mediastinal window(z= -1.807, P=0.071). Conclusion: Axial combined with multi window technique and CPR has unique value in the diagnosis of esophageal fistula, which can evaluate the position and range of the fistula, and improve the accuracy of diagnosis.
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Received: 18 January 2017
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