Atypical osteomalacia mimicking radiological features of spondyloarthritis: Never judge a book by its cover

Abstract

Abstract Longstanding osteomalacia, by its proliferative enthesopathic changes, may mimic the advanced features of SpA. Despite the typical radiological findings, the lack of response to anti‐TNF should encourage clinicians to reconsider the diagnosis.

Keywords

• diagnosis
• osteomalacia
• sacroiliac joints
• spine
• spondyloarthritis