1临床资料男,61岁,干部,因多饮10多天入院。血糖14.9mmol/L,诊断为2型糖尿病,半月后患者不明原因出现右膝关节外上方青紫,渐感右臀部肿胀疼痛,并逐渐加重伴右大腿及臀部瘀斑,遂再次入院。查体:体温37℃,血压116/80mmHg,贫血貌,皮肤巩膜无黄染,表浅淋巴结无肿大,心肺(-),肝脾未? 1 clinical data Male, 61 years old, cadres, due to drink more than 10 days admitted to hospital. Blood sugar 14.9mmol / L, diagnosed with type 2 diabetes, half an unexplained cause of the patient after the upper right knee outside the purple, gradually feel the right buttock swelling and pain, and gradually increased with the right thigh and buttocks ecchymosis, then re-admission. Physical examination: body temperature 37 ℃, blood pressure 116 / 80mmHg, anemia appearance, skin sclera no yellow dye, superficial lymph nodes without swelling, cardiopulmonary (-), liver and spleen not?