患女,51岁。因左下肢肌萎缩伴无力月余于1993年5月28日入院。于入院前2个月洗澡时不慎跌倒,左胫前髌下10cm处碰伤,当即局部疼痛,随后出理青紫及明显肿胀,无开放性伤口,活动尚可,X线检查未发现骨折。次日症状加重,左胫前明显肿胀,发红,疼痛,局部皮温较对侧增高。当地医院诊为“蜂窝组织炎”,经抗 Women, 51 years old. Left atrium due to muscle atrophy with weakness in more than May 28, 1993 admission. 2 months before admission, bathing accidentally fell, the left anterior tibial patellar anterior 10cm bump injury, immediately local pain, and then treated purple and obvious swelling, no open wounds, activity is acceptable, X-ray examination found no fracture. The next day the symptoms worsened, left tibia significantly swelling, redness, pain, local skin temperature increased compared with the contralateral. The local hospital diagnosed as “cellulitis” by the anti