1临床资料患者女,48岁,因发热3d入院。患者3d前无诱因始高热,热型不规则,体温最高达40℃,伴畏寒及寒颤。于呼吸内科给予抗生素(头孢他啶,左氧氟沙星),治疗1周,无效。追问病史有口干、眼干症状1年半,进食干性食物需水送服,疑干燥综合征转入免疫科。查体:T39℃,皮肤无黄染、皮疹, 1 Clinical data Patient, 48 years old, admitted to hospital for fever. Patients with prediabetes before the beginning of high fever, irregular heat, body temperature up to 40 ℃, with chills and chills. In respiratory medicine given antibiotics (ceftazidime, levofloxacin), for 1 week, ineffective. History of dry mouth, dry eyes symptoms 1 and a half years, eating dry food water supply, suspected Sjogren’s syndrome into the Department of Immunology. Physical examination: T39 ℃, no yellow skin, rash,