Abstract
The fracture-dislocation at the base of the fifth metacarpal is analogous to Bennett's fracture of the thumb (Fig. 13-1 A). Because of the obliquity of the fracture line, the obliquity of the metacarpal hamate joint, and the pull of the extensor carpi ulnaris, this fracture-dislocation tends to be unstable and to displace, much in the same fashion as the first metacarpal in a Bennett's fracture and with similar functional impairment.
A 25-year-old auto mechanic struck his fist against a door and sustained a displaced reverse Bennett’s fracture of the fifth metacarpal base. (Figs. A-E reproduced with permission from Freeland, A.E., and Jabaley, M.E.: Management of Rand Fractures by Stable Fixation, in Rabal, M.B.: et al (Eds): Advances in Plastic and Reconstructive Surgery, Vol. 2, copyright © 1986 by Year Book Medical Publishers, Inc., Chicago.)
This is a pronated lateral view of a reverse Bennett’s fracture of the base of the fifth metacarpal.
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© 1986 Springer-Verlag New York Inc.
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Freeland, A.E., Jabaley, M.E., Hughes, J.L. (1986). Reverse Bennett’s Fracture. In: Stable Fixation of the Hand and Wrist. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-8640-7_13
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DOI: https://doi.org/10.1007/978-1-4613-8640-7_13
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4613-8642-1
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