1　病例介绍　　患者 ,2 0岁 ,住院号 35 8497,因停经40余天 ,下腹部持续疼痛 1d加重 3h于 1998年 8月 3日入院。既往月经规律 ,末次月经 1998年 6月 2 3日。患者未婚 ,但承认与其男友有性生活史。体检 :全腹均有压痛 ,以右下腹为重 ,腹膜刺激征 (+) ,移动性浊音 (+) ,后穹窿饱 1 case description The patient, 20 years old, hospital number 358497, due to menopause for more than 40 days, lower abdominal pain 1d aggravated 3h on August 3, 1998 admission. Past menstrual regularity, the last menstrual June 23, 1998. The patient is unmarried, but admitted to having sex with her boyfriend. Physical examination: All abdomen had tenderness, the right lower quadrant as the focus, peritoneal irritation sign (+), mobility dullness (+), after the fornix