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Appendicitis: usefulness of color Doppler US.

机译：阑尾炎：彩色多普勒超声的有用性。

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PURPOSE: To assess whether color Doppler ultrasonography (US) can help diagnose early acute appendicitis in appendices of equivocal size at gray-scale US. MATERIALS AND METHODS: In a retrospective study, color Doppler US findings were evaluated in 20 individuals with proved normal appendix at barium enema examination and in 50 patients in whom pathologic findings confirmed acute appendicitis. In a prospective study, the diagnostic value of hyperemia in the wall of the appendix in differentiating a normal from an inflamed appendix was evaluated in 26 patients with appendices of equivocal size (5-7 mm in maximal outer diameter) at grayscale US. RESULTS: In the retrospective study, 44 of the 50 patients had hyperemia at color Doppler US. The remaining six patients had no hyperemia, and pathologic findings confirmed gangrenous appendices. The 20 patients with proved normal appendix at barium enema examination had no detectable blood flow in the wall. In the prospective study, 10 of 26 patients had hyperemia at color Doppler US, and pathologic findings confirmed early acute appendicitis. Results of barium enema examination (n = 12) or clinical follow-up (n = 4) confirmed no appendicitis in the remaining 16 patients. CONCLUSION: Hyperemia in the wall of the appendix at color Doppler US is a sensitive indicator for inflammation. A simple additional color Doppler US examination may be helpful in the diagnosis of early acute appendicitis when an appendix is well depicted and is equivocal in size at gray-scale US.
机译：目的：评估彩色多普勒超声（US）是否可以帮助诊断早期急性阑尾炎。材料与方法：在一项回顾性研究中，对彩色多普勒超声检查的结果进行了评估，该结果在钡灌肠检查中证实阑尾正常，并在病理证实为急性阑尾炎的50例患者中进行了评估。在一项前瞻性研究中，对26例阑尾尺寸不明确（最大外径为5-7毫米）的患者在美国灰度下评估了阑尾壁充血对正常人和发炎性阑尾的鉴别诊断价值。结果：在回顾性研究中，50例患者中有44例在彩色多普勒超声检查中出现充血。其余六例患者无充血，病理结果证实为坏疽性阑尾。在钡灌肠检查中阑尾正常的20例患者的壁中没有可检测到的血流。在这项前瞻性研究中，26名患者中有10名在彩色多普勒超声检查中出现充血，病理结果证实为早期急性阑尾炎。钡灌肠检查（n = 12）或临床随访（n = 4）的结果证实，其余16例患者没有阑尾炎。结论：彩色多普勒超声在阑尾壁充血是炎症的敏感指标。当阑尾被很好地描绘并且在美国的灰度范围内大小不明确时，简单的彩色多普勒超声检查可能有助于早期急性阑尾炎的诊断。

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