Arthritis mutilans

Last revised by Henry Knipe on 28 Aug 2024

Arthritis mutilans is a severe form of many inflammatory arthropathies, most commonly psoriatic (PsA) and rheumatoid arthritis (RA), characterised by "telescoping" of the fingers where osteolysis leads to articular collapse, allowing loose skin and the ability of these digits to have the motion of a telescope. 

Clinical presentation

Patients may present with opera glass hand (skin folds due to finger telescoping) 5.

Pathology

Arthritis mutilans more commonly occurs in the hands than the feet 2

Aetiology

​Aside from PsA and RhA, arthritis mutilans is also associated with 1-4:

Cases and figures

  • Case 1: from psoriatic arthritis
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