滑膜骨软骨瘤病又称滑膜软骨化生,是一种非常少见的关节疾病,系滑膜良性肿瘤,病因尚不明确,可能与外伤、感染、胚胎发育异常等有关。笔者于2009-10对1例诊断不明确的膝关节疼痛进行关节镜探查术,现报告如下。1病历摘要女,35岁。因右膝疼痛2 a、活动加重入院。患者2 a前无明显原 Synovial chondromatosis, also known as synovial cartilage metaplasia, is a very rare joint disease, a synovial benign tumor, the etiology is not clear, may be related to trauma, infection, abnormal embryonic development. The author in 2009-10 to 1 case of knee arthritis diagnosis of arthroscopic exploration, are as follows. 1 medical record summary female, 35 years old. Due to a right knee pain 2 a, activity increased admission. Patients 2 a before no significant original