患者女性,27岁。反复发作性口腔、外阴溃疡及上腹胀痛2年,近1个月上腹痛加重,返酸、暖气,在我院上消化道钡餐检查为十二指肠球部溃疡,服雷尼普丁等药无明显好转。3天前突然发热,体温达39.3℃,排柏油样稀便2次,量约100ml,有一过性晕厥而急诊入院。有双膝关节痛及眼角痒痛感病史。体检: Patient female, 27 years old. Repeated episodes of oral and genital ulcers and abdominal pain for 2 years, nearly 1 month increased abdominal pain, back to acid, heating, barium meal in our hospital gastrointestinal tract examination of duodenal ulcer, serving Renin Ding Ding No obvious improvement in other drugs. Suddenly fever 3 days ago, body temperature of 39.3 ℃, asparagus row like 2 times, the amount of about 100ml, a transient syncope and emergency admission. Have a double knee joint pain and itching history of pain. Physical examination: