急性阑尾炎是最常见的急腹症，诊断通常不难。本组曾收治2例罕见的急腹症，其临床症状与体征酷似急性阑尾炎，因而导致误诊。现将病例报告、分析如下。[例1]女，80岁。转移性右下腹痛伴呕吐、畏寒、发热15h入院。查体：T38．7℃，全腹肌较紧张，压痛（＋），反跳痛（＋），以右 Acute appendicitis is the most common acute abdomen, diagnosis is usually not difficult. This group had received 2 cases of acute abdomen, its clinical symptoms and signs resembles acute appendicitis, resulting in misdiagnosis. Now the case report, analyzed as follows. [Example 1] Female, 80 years old. Metabolic right lower abdominal pain with vomiting, chills, fever 15h admission. Physical examination: T38.7 ℃, the whole abdominal muscle tension, tenderness (+), rebound tenderness (+), right