关节骨软骨瘤病为一少见滑膜疾病。国内报道不多。我院自1981年至1984年间发现二例,一例经手术证实,一例未手术,但X线表现典型,报告如下。例1,男,67岁,因右膝关节疼痛半月,活动时疼痛加重,于1981年7月21日来院就诊。体检:右膝关节轻度肿胀,活 Joint osteochondroma is a rare synovial disease. There are few reports in China. Two cases were found in our hospital from 1981 to 1984. One case was confirmed by surgery. One case was not operated but the X-ray findings were typical. The report is as follows. Example 1, male, 67 years old, suffered pain in his right knee for half a month, and his pain increased during the activity. He came to the hospital on July 21, 1981. Physical examination: slight swelling of the right knee joint, live