Quillin S P, Siegel M J
Mallinckrodt Institute of Radiology, Washington University Medical Center, St Louis, MO 63110.
Radiographics. 1993 Nov;13(6):1281-93; discussion 1294. doi: 10.1148/radiographics.13.6.8290724.
The authors review the color Doppler ultrasonographic (US) features of appendicitis and other diseases that can manifest with acute lower abdominal pain. Causes of acute abdominal pain, other than appendicitis, include gynecologic abnormalities (ovarian cyst, ovarian torsion, pelvic inflammatory disease), gastrointestinal abnormalities (infectious enteritis, Crohn disease, mesenteric lymphadenitis, intussusception), and urinary tract diseases. On color Doppler images, inflammatory and infectious processes usually show locally increased blood flow, whereas cysts and twisted masses have absent blood flow. Enlarged lymph nodes also are avascular. Color Doppler US is a useful adjunct to gray-scale US in evaluating acute lower abdominal pain in children and can aid in defining and clarifying gray-scale abnormalities.
作者回顾了阑尾炎以及其他可表现为急性下腹痛的疾病的彩色多普勒超声（US）特征。除阑尾炎外，急性腹痛的病因还包括妇科异常（卵巢囊肿、卵巢扭转、盆腔炎）、胃肠道异常（感染性肠炎、克罗恩病、肠系膜淋巴结炎、肠套叠）以及泌尿系统疾病。在彩色多普勒图像上，炎症和感染性病变通常显示局部血流增加，而囊肿和扭转的肿块则无血流信号。肿大的淋巴结也无血管信号。彩色多普勒超声在评估儿童急性下腹痛时是灰阶超声的有用辅助手段，有助于明确和阐明灰阶异常情况。
