Ivory phalanx

Case contributed by Dr Mark Thurston


Rheumatology follow up.


Increased density of the middle phalanx of the middle finger represents ivory phalanx, highly specific for psoriatic arthropathy.

Case Discussion

Ivory phalanx is highly specific for psoriatic arthropathy, unfortunately the sensitivity is low (28%) 1.

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Case information

rID: 65439
Published: 9th Jan 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Derriford Hospital, Plymouth

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