Ivory phalanx
Case contributed by Mark Thurston
Diagnosis certain
Citation, DOI, disclosures and case data
Citation:
Thurston M, Ivory phalanx. Case study, Radiopaedia.org (Accessed on 23 Mar 2023) https://doi.org/10.53347/rID-65439
Permalink:
rID:
65439
Disclosures:
At the time the case was submitted for publication Mark Thurston had no recorded disclosures.
View Mark Thurston's current disclosuresCase published:
9 Jan 2019
Revisions:
3 times, by 2 contributors - see full revision history and disclosures
Systems:
Case of the day:
06 Mar 2019
Institution:
Derriford Hospital, Plymouth
Quiz mode:
Included
Presentation
Rheumatology follow up.
From the case:
Ivory phalanx
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Frontal
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.
References
- 1. Ory PA, Gladman DD, Mease PJ. Psoriatic arthritis and imaging. (2005) Annals of the rheumatic diseases. 64 Suppl 2: ii55-7. doi:10.1136/ard.2004.033928 - Pubmed
2 articles feature images from this case
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