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Authors Chen W, Wang Y, Li Y, Zhao Z, Feng L, Zhu J, Zhang J, Huang F
Received 31 January 2017
Accepted for publication 10 May 2017
Published 29 June 2017 Volume 2017:10 Pages 1511—1514
DOI https://doi.org/10.2147/JPR.S133572
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Colin Mak
Peer reviewer comments 2
Editor who approved publication: Dr Katherine Hanlon
Abstract: Gout is clinically characterized by episodes of monoarthritis, which not
only typically affects the peripheral joints but also occasionally affect the
axial joint, such as the sacroiliac joint (SIJ), and often mimics
spondyloarthritis (SpA). Two cases of gout mimicking SpA are presented in the
current paper. One patient was a 32-year-old man with a history of asymmetrical
oligoarthritis of ankle and metatarsophalangeal joints (MTPJ). He had left
gluteal pain for 2 weeks. Computed tomography (CT) and magnetic resonance
imaging (MRI) revealed the bone erosion of the left SIJ. T1-weighted MRI showed
hypointense T1 and hyperintense T2 signals of the left SIJ. The other patient
was a 24-year-old man with left back pain and hip pain for 4 months and
intermittent fever for 3 months. He had a history of gout for 3 years. Both
patients underwent CT-guided sacroiliac biopsy, and monosodium urate (MSU)
crystals were shown by polarized microscopy. Gout can often mimic SpA and
seldomly affects the SIJ. Thus, its correct diagnosis and adequate therapy can
halt the development of such damaging complications.
Keywords: gout, crystal
arthropathy, sacroiliac joint, radiography