Four Cases of Acute Pyogenic Arthritis of the Knee

The infected joints occurs from open trauma to the joint, infection from the adjacent tissue and hematogenous origin. Recently there are frequent chances of contaminations from the intraarticular injection of steroids as a treatment of arthritis.We have experienced threecases of acute pyogenic arthritis of the knee secondary to steroids injection to the knee joint and one case of infection due to penetration into the knee joint by bamboo.All cases were opened surgically and irrigated continuously normal saline and antibiotics for a week. The satisfactory results were obtained in all cases.In the last case, it failed to fined a foreign body roentogenologically. After three times of arthrotomy the foreign body was removed and the infection subsided without contracture.