Z deformity
Citation, DOI, disclosures and article data
Citation:
Niknejad M, Campos A, Knipe H, et al. Z deformity. Reference article, Radiopaedia.org (Accessed on 13 Mar 2025) https://doi.org/10.53347/rID-21575
rID:
21575
Article created:
Disclosures:
At the time the article was created Mohammad Taghi Niknejad had no recorded disclosures.
View Mohammad Taghi Niknejad's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Arlene Campos had no financial relationships to ineligible companies to disclose.
View Arlene Campos's current disclosures
Revisions:
8 times, by
7 contributors -
see full revision history and disclosures
Systems:
Synonyms:
- Z deformities
- Zig zag deformity (rheumatoid arthritis)
- Zigzag deformity (rheumatoid arthritis)
The Z or zig zag deformity is one of the musculoskeletal manifestations of rheumatoid arthritis in hand 1,2:
radial deviation at the wrist
ulnar deviation of the digits, and often
palmar subluxation of the proximal phalanges
This should be differentiated from the Z-thumb deformity, also known as the hitchiker thumb deformity.
References
- 1. Dan Longo, Anthony Fauci, Dennis Kasper et al. Harrison's Principles of Internal Medicine, 18th Edition. (2011) ISBN: 9780071748896 - Google Books
- 2. Stack H & Vaughan-Jackson O. The Zig-Zag Deformity in the Rheumatoid Hand. Hand. 1971;3(1):62-7. doi:10.1016/0072-968x(71)90013-1 - Pubmed
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