女,53岁。1985年5月9日因多饮、多尿、多食、消瘦半年伴左下肢疼痛、发热半月入院。入院第5天突然左下肢明显肿胀,剧烈疼痛以至不能下床活动。患高血压史5年,无糖尿病家族史。体检:体温38.3℃,血压160/100mmHg。精神萎摩,营养差。左下肢显著肿胀,肤色苍白,Homans氏征(+),大腿上段有压痛,足背动脉搏动略减弱。眼底检查:糖尿病视网膜病变。实验室检查:血红蛋白7.3g/dl,白细胞8.800/mm~3,中性74%,血小板8万/mm~3。空腹血糖416mg/dl,胰岛素19.1μu/ml,尿糖(+++)。抗“O”500u以下,血沉53mm/h。血清 Female, 53 years old. May 9, 1985 due to drink more, more urine, more food, weight loss six months with left lower extremity pain, fever half a month hospitalization. On the fifth day after admission, the left lower limbs were obviously swollen, severe pain and even unable to get out of bed. 5 years history of hypertension, no family history of diabetes. Physical examination: body temperature 38.3 ℃, blood pressure 160 / 100mmHg. Spirit wilting, poor nutrition. Significant left lower extremity swelling, pale complexion, Homans’s sign (+), upper thigh tenderness, dorsalis pedis artery pulse slightly weakened. Fundus examination: diabetic retinopathy. Laboratory tests: hemoglobin 7.3g / dl, white blood cells 8.800 / mm ~ 3, 74% neutral, platelets 80,000 / mm ~ 3. Fasting blood glucose 416mg / dl, insulin 19.1uu / ml, urine sugar (+++). Anti “O” 500u the following, ESR 53mm / h. serum