【摘要】 目的 探讨急诊超声在右下腹急腹症诊断中的应用价值。 方法 回顾性分析2008年8月-2009年12月150例右下腹急腹症患者急诊超声检查结果，所有患者均经手术和病理资料或者临床治疗后得到证实，将超声诊断的结果与临床出院诊断进行对比分析。 结果 150例右下腹急腹症患者中，超声正确诊断126例（84%），漏诊18例，误诊6例，其中急性阑尾炎漏诊率最高，漏诊的主要原因为部分患者阑尾解剖位置特殊或者肠道气体干扰。 结论 超声检查能够较准确判断右下腹急腹症的病因。熟悉常见急腹症疾病的临床表现、体征及熟练掌握常见疾病的超声声像图特点，对右下腹急腹症的诊断及鉴别诊断至关重要。【Abstract】 Objective To evaluate acute ultrasonography in diagnosing right hypogastric acute abdomen. Methods The results of acute ultrasonography of 150 patients with right hypogastric acute abdomen were retrospectively analyzed. The disease was confirmed by surgery and pathological examination. The results of ultrasonography and clinical diagnosis were compared. Results Among 150 patients, correct ultrasonography diagnosis was found in 126 (84%), missed diagnosis in 18, and misdiagnosis in six; the highest rate of missed diagnosis occurred in patients with acute appendicitis. Conclusion Acute ultrasonography can feasibly and accurately diagnose right hypogastric acute abdomen. The accuracy depends on the common clinical manifestations and the common diseases ultrasonography characters of right hypogastric acute abdomen.