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. 2022 Feb 23;51(9):1721–1730. doi: 10.1007/s00256-022-04018-4

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Fig. 3 — Early axSpA without active inflammation. This 24-year-old male patient has negative radiography but unequivocal erosions in MRI-T1 and CT (arrows). However, he shows no osteitis on STIR. While he does not fulfill the definition of a positive imaging test (radiography is negative and MRI shows no active inflammation), the erosions still support a clinical diagnosis of axSpA