Hook of hamate fracture
Last revised by Dr Yuranga Weerakkody ◉ on 02 Mar 2021
Citation, DOI & article data
Citation:
Knipe, H., Weerakkody, Y. Hook of hamate fracture. Reference article, Radiopaedia.org. (accessed on 26 Jun 2022) https://doi.org/10.53347/rID-49117
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rID:
49117
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Synonyms:
- Type 1 hamate fracture
- Type 1 hamate fractures
- Hook of hamate fractures
- Fracture of hook of hamate
Hook of hamate fractures (also sometimes termed type 1 hamate fractures) are rare. They are a form of hamate fractures and occur from the hamate fracturing after blunt trauma, falls, and in sports player (e.g. golf, baseball, racquet sports) from a direct blow while swinging. Stress fractures have also been reported.
It may result in Guyon's canal syndrome.
Radiographic assessment
If occult on standard views, a carpal tunnel view may be of value for better assessment.
Differential diagnosis
References
- 1. Snoap T, Habeck J, Ruiter T. Hamate Fracture. Eplasty. 15: ic28. Pubmed
- 2. Guha AR, Marynissen H. Stress fracture of the hook of the hamate. British journal of sports medicine. 36 (3): 224-5. Pubmed
- 3. Mariano O. Abrego, Franco L. De Cicco. Hamate Fractures. (2020) Pubmed
- 4. Davis DL. Hook of the Hamate: The Spectrum of Often Missed Pathologic Findings. (2017) AJR. American journal of roentgenology. 209 (5): 1110-1118. doi:10.2214/AJR.17.18043 - Pubmed
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