痛风石导致膝关节活动范围受限：一例报告
Gouty tophi caused limited knee range of motion: a case report.
作者信息
Kijkunasathian Chusak, Woratanarat Patarawan, Saengpetch Nadhaporn
机构信息
Department of Orthopaedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
出版信息
J Med Assoc Thai. 2009 Dec;92 Suppl 6:S264-7.
BACKGROUND
Gout is a disease of purine metabolism characterized by monosodium urate crystal deposition. Gouty tophi can mimic many conditions such as infection or neoplasm.
OBJECTIVE
We descriptively presented a case of a 29-year-old male with gouty toph. Data was obtained from patient chart. This patient presented with limited knee joint range of motion after sport injury. Arthroscopic examination was performed in order to confirm the diagnosis of the meniscal injury.
RESULTS
The result showed the synovium with white toothpaste-like chalky urate crystals in the joint cartilage.
CONCLUSION
An atypical presentation of gouty tophi can sometime mislead to diagnose an internal derangement of the knee.
背景
痛风是一种以尿酸钠晶体沉积为特征的嘌呤代谢疾病。痛风石可模仿多种病症，如感染或肿瘤。
目的
我们描述了一例29岁男性痛风石患者的病例。数据来自患者病历。该患者因运动损伤后膝关节活动范围受限就诊。为确诊半月板损伤进行了关节镜检查。
结果
结果显示关节软骨中的滑膜有白色牙膏样白垩状尿酸盐晶体。
结论
痛风石的非典型表现有时可能会导致误诊为膝关节内部紊乱。
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