Ossification centers of the wrist
Citation, DOI, disclosures and article data
Citation:
Yap K, Hacking C, Jones J, et al. Ossification centers of the wrist. Reference article, Radiopaedia.org (Accessed on 07 Dec 2024) https://doi.org/10.53347/rID-12232
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rID:
12232
Article created:
1 Nov 2010,
Ki Yap
Disclosures:
At the time the article was created Ki Yap had no recorded disclosures.
View Ki Yap's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Craig Hacking had no recorded disclosures.
View Craig Hacking's current disclosures
Revisions:
7 times, by
5 contributors -
see full revision history and disclosures
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Synonyms:
- Carpal bone ossification centers
- Carpal bone ossification center sequence
- Ossification of the carpal bones
- Wrist ossification centres
- Ossification centres of the distal radius and ulna
- Distal radius ossification
- Distal ulna ossification
Ossification of the wrist can be divided into two components:
- carpal bone ossification centers
- distal radial and ulna ossification centers
Ossification of the carpal bones
Ossification of the carpal bones occurs in a predictable sequence, starting with the capitate and ending with the pisiform.
At birth, there is no calcification in the carpal bones. Although there is great individual variability, approximate ossification times are as follows 1:
- capitate: 1-3 months
- hamate: 2-4 months
- triquetrum: 2-3 years
- lunate: 2-4 years
- scaphoid: 4-6 years
- trapezium: 4-6 years
- trapezoid: 4-6 years
- pisiform: 8-12 years
Excluding the pisiform, a handy way to remember the order of ossification is to start at the capitate then move in an anti-clockwise direction on the volar surface of the right carpus.
Ossification centers of the distal radius and ulna
- distal radius: 1 year
- distal ulna: 5-6 years
References
- 1. Butler P, Mitchell A, Healy JC. Applied Radiological Anatomy. Cambridge University Press. (2012) ISBN:0521766664. Read it at Google Books - Find it at Amazon
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