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目的探讨彩色多普勒显像诊断小儿急性阑尾炎的临床应用价值。方法应用高频超声及彩色多普勒血流显像诊断小儿急性阑尾炎65例,分析声像图及彩色血流信号特征并进行分型,最后与手术及病理结果对照。结果 65例小儿急性阑尾炎全部经手术病理证实,超声检出率90.7%(59/65),未检出6例,占9.3%,各型阑尾炎声像图各有特征:单纯性及化脓性阑尾炎显示不同程度阑尾增粗,壁增厚,黏膜回声中断、毛糙或缺失;坏疽性阑尾炎阑尾结构紊乱,壁层次不清或中断;阑尾脓肿阑尾区见不规则液性暗区。CDFI显示阑尾血流不同程度增加,RI指数升高。结论彩色多普勒超声检查对小儿急性阑尾炎的诊断准确率高,安全无创且可重复性强,值得推广。
Objective To investigate the clinical value of color Doppler imaging in diagnosis of acute appendicitis in children. Methods 65 cases of pediatric acute appendicitis were diagnosed by high-frequency ultrasound and color Doppler flow imaging. The characteristics of sonography and color flow signals were analyzed and classified. Finally, the results were compared with the surgical and pathological findings. Results All 65 children with acute appendicitis were confirmed by surgery and pathology. The ultrasonographic detection rate was 90.7% (59/65), 6 cases were not detected, accounting for 9.3%. Each type of appendicitis had its own characteristics: simple and suppurative appendicitis Show different degrees of appendicectomy, thickening of the wall, mucosal echo was interrupted, rough or missing; gangrenous appendicitis appendix structure disorder, unclear or interrupted wall layer; appendix abscess see irregular liquid dark area. CDFI showed apical blood flow increased to varying degrees, RI index increased. Conclusion Color Doppler ultrasonography in children with acute appendicitis diagnostic accuracy, safety and noninvasive and reproducible, it is worth promoting.