病例资料患者,女,69岁,主因“右下腹疼痛2个月,加重1 d”入院。查体:体温37.3℃,脉搏79次/min,呼吸18次/min,血压98/56 mm Hg(1 mm Hg=0.133 k Pa)。腹部平坦、对称,未见胃肠型及蠕动波;肝脾肋下未触及,右下腹局限压痛,以麦氏点为著,伴轻度肌紧张及反跳痛,未扪及明显包块,结肠充气实验(+)。B超检查(图1)示:右下腹 Case data, female, 69 years old, mainly due to “right lower quadrant pain for 2 months, increased 1 d ” admission. Examination: body temperature 37.3 ℃, pulse 79 beats / min, breathing 18 beats / min, blood pressure 98/56 mm Hg (1 mm Hg = 0.133 kPa). Abdominal flat, symmetrical, no gastrointestinal type and peristaltic wave; liver and spleen ribs untouched, right lower quadrant tenderness limited to the point of wheat bran, accompanied by mild muscle tension and rebound tenderness, no palpable mass, Colonic Inflation Experiment (+). B-ultrasound (Figure 1) shows: right lower quadrant