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Gout in the Chest Misdiagnosed as Ankylosing Spondylitis
Wenjing Xue1, Shengkai Zhang1, Qinqin Wang1
1Department of Rheumatology, The Affiliated Nanping First Hospital of Fujian Medical University, Nanping, China.
Abstract:
Gout is a crystal-related joint disease caused by single sodium urate deposition in the joints or in soft tissues. In recent years, the incidence of gout has increased, but cases of urate crystals deposited in the chest-ribs are rare. Here, we describe a 39-year-old man who complained of frequent pain and a feeling of tightness in chest-ribs and was misdiagnosed as ankylosing spondylitis. In addition, treatment with non-steroidal anti-inflammatory drugs (NSAIDs) and etanercept for 6 months showed no improvement, which confirmed the misdiagnosis. After physical examination, blood examination, and dual-energy CT examination, the patient was diagnosed with gout and received 50 mg benzbromarone once a day with treatment of low serum uric acid. In conclusion, gout in the chest and ribs is an unusual manifestation and has rarely been reported in the literature. This case highlights an important but overlooked history of hyperuricemia in the diagnosis, and dual-energy CT is the preferred method for differential diagnosis of chest-ribs gout.
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