患者 :女性 ,41岁。以“右下腹痛 3天”入院。病初腹痛呈阵发性发作 ,为绞痛。随后发作次数频繁 ,每次持续时间延长 ;间隔时间缩短 ,渐呈持续性疼痛 ,阵发性加剧 ,伴腹泻、恶心、呕吐 ,排血水样便 1次。体检 :痛苦貌 ,心、肺无异常。腹部稍膨隆 ,无明显肠型。右下腹可扪及一约 Patient: Female, 41 years old. The patient was admitted to hospital with “3 days of right lower abdominal pain.” At the beginning of the illness, there was a paroxysmal attack of abdominal pain and it was angina. The frequency of subsequent episodes was frequent, and each duration was prolonged; interval time was shortened, gradually showing persistent pain, paroxysmal intensification, accompanied by diarrhea, nausea, and vomiting, and excreted watery stools. Physical examination: Painful appearance, no abnormalities in heart and lungs. Slightly bulging belly, no obvious intestinal type. The right lower abdomen can be accompanied by a