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Radiology, Vol 187, 187-191, Copyright © 1993 by Radiological Society of North America

ARTICLES

Anatomic features of the carpal scaphoid: validation of biometric measurements and symmetry with three-dimensional MR imaging

DK Smith
Department of Diagnostic Radiology, Wilford Hall U.S. Air Force Medical Center, Lackland Air Force Base, TX 78236.

The goals of reconstructive surgery for scaphoid fracture nonunions include restoration of normal scaphoid length and shape by use of the contralateral scaphoid bone as a geometric model. A literature search revealed limited documentation of normal biometric measurements and no validation of scaphoid anatomic symmetry. A study was performed to provide normative data and evaluate the right-to-left symmetry of specific geometric measurements of the scaphoid. One hundred normal carpal scaphoid bones in 30 healthy subjects and 40 patients were examined with three-dimensional magnetic resonance (MR) imaging. Standardized oblique projections were reconstructed from each three- dimensional data set, and seven biometric measurements of each scaphoid were obtained. Normative data from the study group were obtained by means of analysis of all 100 scaphoids. Right-to-left symmetry was validated with the biometric measurements of both scaphoids in the healthy subjects. These data validate scaphoid symmetry and provide 95% confidence intervals for specific biometric measurements that are used for preoperative planning of surgical reconstruction of scaphoid nonunions.


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 J Hand Surg Eur VolHome page
N. CERI, E. KORMAN, I. GUNAL, and S. TETIK
The Morphological and Morphometric Features of the Scaphoid
J Hand Surg Eur Vol., August 1, 2004; 29(4): 393 - 398.
[Abstract] [Full Text] [PDF]


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