Major clinical symptoms are arthralgia, limited movement and jointdeformity.
临床上以膝关节疼痛，活动功能受限和关节畸形为主要特点。
2
A case of female SLE patient , has been treated with corticosteroid for 12y ears, with jointdeformity and sudden patellar tendon rupture is reported.
报道1例女性系统性红斑狼疮（SLE）患者长期服用皮质类固醇12年，出现关节畸形并双侧髌韧带断裂。
3
The incidence of jointdeformity in patients with target joints and without target joints was 71.2% and 20.0%, respectively, with significant difference.