Achilles tendinitis in systemic lupus erythematosus: search for an associated inflammatory disease.

Objectives Except for traumatic and iatrogenic causes, Achilles tendinitis (AT) is mostly encountered in the context of inflammatory rheumatic diseases. This study aimed to describe AT in systemic lupus erythematosus (SLE). Patients and methods Among 158 SLE patients who fulfilled the SLE criteria of the ACR classification followed between 1980 and 2013, we selected those who experienced at least one episode of AT not caused by traumatic or toxicity factors. Results Eight patients (one male, seven females), median age 52 years (range: 35–68), presented with 11 episodes of AT within an average of 10.5 (0–21) years after SLE diagnosis. Clinical presentation of SLE was mainly cutaneous (eight of eight), and articular (seven of eight). Axial symptoms were reported in six patients, two of whom had HLA-B27-positive status, and fulfilled the Amor and European Spondylarthropathy Study Group criteria. Resolution of AT was good with nonsteroidal anti-inflammatory topical or systemic drug therapies, which kept SLE quiescent and avoided any increase of specific treatment. Conclusion Although the association is rare, when AT occurs in SLE patients, physicians should look for associated spondylarthritis. [ABSTRACT FROM AUTHOR]

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