患者覃某,男,63岁,因四肢自发性淤斑20多天,1986年6月5日入院。1985年5月16日,右躁关节扭伤,局部隐痛,但无出血。次日右踝关节稍肿胀、疼痛,皮肤有淤斑,且左手背部、右前臂也有淤斑,在外院服泼尼松、维生素C、维生素K等治疗病情无好转.左大腿内侧、右大腿外侧及膝关节内侧出现新的大片状淤斑而来我院检查,拟诊血友病入院。病后无鼻衄、尿血及便血,无发热,发病前未用特殊药物。一向身体健康。过去无类似出血病史。幼年时曾手指刀伤及头皮外伤均出血不多。曾行过拔牙、内痔、阑尾切除及输精管结扎术,手术均顺利,无出血不止现象。家族无类似出血史。查体:T Tan Qin patients, male, 63 years old, due to spontaneous voluminous extremities more than 20 days, June 5, 1986 admission. May 16, 1985, right manic joint sprain, local pain, but no bleeding. The right ankle joint the next day slightly swollen, pain, ecchymosis, and the left back, right forearm also ecchymosis, prednisone, vitamin C, vitamin K and other treatment in the hospital condition did not improve the left inner thigh, lateral thigh Knee joint appeared inside the new large ecchymosis to our hospital for examination, to be diagnosed with hemophilia admission. No nose and throat after disease, hematuria and hematochezia, no fever, before the onset of special drugs. Always healthy. No past history of bleeding. Childhood finger wounds and scalp injuries are bleeding little. Had performed extraction teeth, internal hemorrhoids, appendectomy and vasectomy, surgery were smooth, no bleeding more than the phenomenon. Family history of similar bleeding. Physical examination: T