高频彩超对儿童急性肠系膜淋巴结炎的诊断与鉴别诊断

目的探讨高频彩超对急性肠系膜淋巴结炎的诊断与鉴别诊断。方法应用高频彩色多普勒超声检查112例急性肠系膜淋巴结炎患儿及96例正常儿童，比较肠系膜淋巴结大小、内部回声、CDFI、血流分布特征。结果急性肠系膜淋巴结炎患儿淋巴结长径为1．7±0．38cm，短径为0．78±0．23cm，正常儿童肠系膜淋巴结长径为1．0±0．25cm，短径为0．47±0．12cm；二组指标比较均具有显著性差异（P〈0．05），急性肠系膜淋巴结炎患儿淋巴结内可见较多血流信号，而正常儿童淋巴结内未见血流信号。结论高频彩超对儿童急性肠系膜淋巴结炎的诊断与鉴别诊断具有较大意义，可作为首选方法。

Utility of high frequency color Doppler ultrasonography in the diagnosis and differential diagnosis of pediatric acute mesenteric lymphadenitis

Objective To evaluate the utility of high frequeney color Doppler ultrasonography（HFCDU） in the diagnosis and differential diagnosis of pediatric acute mesenteric lymphadenitis （AML）. Methods A hundred and twelve ill children with AML （patient group） and ninety-six normal children （control group） underwent HFCDU examinations and then the size, internal echo, CDFI, blood flow distribution feature of mesenteric lymph nodes in the both groups were observed and compared. Results The longest axis and shortest axis of mesenteric lymph nodes in patient group were 1.7±0.38 cm and 0.78±0.23 cm, respectively, while those in control group were 1.0±0.25 cm and 0.47±0.12 cm, respectively, there were statistic difference between the both groups （P〈0.05）. The rich blood flow signals of lymph node inside were found only in patient group, while those in control group ahnost were not found. Conclusion HFCDU has important utility in the diagnosis and differential diagnosis of pediatric AML and it should be taken as a first selective protocol.