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Capitate fractures

• Added by Joseph Bernstein, last edited by Christian Veillette on Apr 03, 2007  (view change)

Comment:

Introduction The capitate is the largest carpal bone, though it is not the most frequently fractured, and is rarely fractured in isolation. Injuries to the capitate are often part of complex injuries. Capitate fractures are sometimes seen along with scaphoid waist fractures or distal radius fractures. Anatomy The capitate articulates distally with the bases of the third and fourth metacarpals and proximally with the scaphoid and lunate. The trapezoid and the hamate are lateral (radial) and medial, respectively. Classification Capitate fractures are classified by the anatomic location of the fracture, along with what other concomitant injuries may be present. The combination of a capitate fracture and a scaphoid waist fractureis known as "scaphocapitate syndrome" . The force of injury in this syndrome can propagate leading to perilunate dislocation as well. Presentation A direct blow to the hand, usually from a fall, is implicated. Diagnosis It is important to exclude additional ligamentous or bony injuries. Treatment Non-displaced capitate fractures need to be immobilized only. Displacement is an indication for fixation, as is concomitant surgery on the scaphoid; that is, if the scaphoid is fractured it will be fixed, and at that setting the capitate fracture may be fixed as well. Surgical fixation is with a K-wire or a screw, with bone graft added for significant comminution. Complications Red Flags and Controversies Outcomes

CORR Articles Fri Jul 30 10:08:47 PDT 2010 Case Reports: Thumb Reconstruction Using Amputated Fingers Journal Scan: Journal of Hand Surgery Fluoroscopic Diagnosis of Scapholunate Interosseous Ligament Injuries in Distal Radius Fractures Springerlink Resources Fri Jul 30 10:08:48 PDT 2010 Fratture-lussazioni del semilunare e del capitato Erratum to: Capitate and hamate fracture in a child: the value of MRI imaging Capitate and hamate fracture in a child: the value of MRI imaging A case report of coronal fractures through the hamate, the capitate, and the trapezoid Simultaneous fracture of the hamate and the capitate bones Orthopaedic Web Links Internet resources validated by OrthopaedicWebLinks.com Fri Jul 30 10:08:49 PDT 2010 Carpal Fractures eMedicine Orthopedics Capitate Fractures Orthopaedia Wrist Fractures eMedicine Emergency Two Unusual Cases of Coronal Lunate Fracture Wrist Dislocations eMedicine Emergency

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. Orthopaedia Main - Capitate fractures. In: Orthopaedia - Collaborative Orthopaedic Knowledgebase. Created Mar 22, 2007 09:35 by Joseph Bernstein , Last modified Apr 03, 2007 23:31 ver.3. Retrieved 2010-07-30, from http://www.orthopaedia.com/x/h4AS.

Contributions

The following individuals have contributed to this page:

User	Edits	Comments	Labels	Label List	Last Update
Joseph Bernstein	2	0	0		1226 days ago
Christian Veillette	1	0	0		1213 days ago

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