颞下颌关节痛风结节1例报告

Gouty tophus of the temporomandibular joint:Report of one case

痛风结节又称痛风石,为痛风的特征性表现,是尿酸盐结晶沉积于组织所致。发生在颞下颌关节的痛风结节罕见。本文报告1例59岁女性患者左颞下颌关节痛风结节,临床上误诊为髁突肿瘤。术后经组织病理学确诊,主要组织病理学特征是尿酸盐结晶。复习相关文献探讨痛风结节的发病机制、临床表现、诊断和治疗。

Gouty tophus, the characteristic performance of gout, is also called arthritic calculus, and caused by urate crystal deposition in the tissues. Gouty tophus localized to the temporomandibular joint is rarely seen clinically. This paper reported a case of gouty tophus of the left temporomandibular joint in a 59-year-old woman which was misdiagnosed with a condyle process tumor. This disease was confirmed by histopathological examination. Under microscope, the distinctive component was urate needle crystal. The pertinent literatures were reviewed and the pathogenesis, clinical manifestations, diagnosis and treatment of this disorder were discussed.