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目的:探讨高频彩超对小儿肠系膜淋巴结炎的临床价值。方法:应用高频彩超对262例腹痛小儿常规腹部多切面扫查,重点检查右下腹及脐周等肠系膜分布区,观察并记录淋巴结的数量、大小、形态、内部回声及长短轴比值(L/S),用彩色多普勒观察内部血流情况。经抗炎治疗7-10d后复查彩超,并将治疗前后的图像特点及结果进行对比。结果:262例患儿均在腹腔内清晰显示多个(4-8个)肿大淋巴结,为密集型或’串珠状分布。长径大者21 mm,小者6 mm,纵横比(L/S>2)。彩色血流显示:可见星点状、棒状或树枝状血流信号,RI(0.65±0.03)。治疗后复查,结果显示淋巴结明显减少或缩小。结论:高频彩超能清晰显示肠系膜淋巴结,对临床诊断治疗小儿肠系膜淋巴结炎及愈后随访具有重要的临床价值。
Objective: To investigate the clinical value of high frequency ultrasound in children with mesenteric lymphadenitis. Methods: The routine abdominal multi-slice scanning was performed in 262 abdominal pain children with high frequency color Doppler ultrasound. The distribution of mesentery in the right lower quadrant and umbilical cord was examined. The number, size, morphology, internal echo and ratio of long axis to short axis were observed and recorded (L / S), color Doppler observation of internal blood flow. The anti-inflammatory treatment 7-10d after the review ultrasound, and before and after treatment of the image characteristics and results were compared. RESULTS: A total of 262 infants showed clearly multiple (4-8) enlarged lymph nodes in the peritoneal cavity, either dense or ’beaded’. The major diameter is 21 mm, the lesser is 6 mm, and the aspect ratio (L / S> 2). Color flow shows: visible astigmatism, rod or dendritic blood flow signal, RI (0.65 ± 0.03). After treatment review, the results showed significantly reduced lymph node or reduced. Conclusion: High-frequency color Doppler ultrasound can clearly show mesenteric lymph nodes, which has important clinical value in clinical diagnosis and treatment of children with mesenteric lymphadenitis and follow-up.