Subchondral bone mineral density patterns representing the loading history of the wrist joint after a proximal row carpectomy

Subchondral bone mineral density patterns representing the loading history of the wrist joint... To evaluate force transmission patterns in vivo of patients with complaints of wrist instability requiring a proximal row carpectomy, bone mineral density (BMD) patterns of the wrist were established using computed tomography absorptiometry. Normal wrists show a BMD pattern in which the scaphoid fossa and lunate fossa of the distal radius contain a center of force transmission. Wrists with pathology of the proximal carpal row or distal radius show a shift of BMD towards the dorsal edge and the styloid process of the scaphoid fossa. After a proximal row carpectomy, the BMD of the scaphoid fossa decreases, and a BMD center is formed in the center of the lunate fossa, demonstrating that the force transmission is concentrated in its center. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Plastic Surgery Springer Journals

Subchondral bone mineral density patterns representing the loading history of the wrist joint after a proximal row carpectomy

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Publisher
Springer-Verlag
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Medicine & Public Health; Plastic Surgery
ISSN
0930-343X
eISSN
1435-0130
D.O.I.
10.1007/s00238-008-0230-6
Publisher site
See Article on Publisher Site

Abstract

To evaluate force transmission patterns in vivo of patients with complaints of wrist instability requiring a proximal row carpectomy, bone mineral density (BMD) patterns of the wrist were established using computed tomography absorptiometry. Normal wrists show a BMD pattern in which the scaphoid fossa and lunate fossa of the distal radius contain a center of force transmission. Wrists with pathology of the proximal carpal row or distal radius show a shift of BMD towards the dorsal edge and the styloid process of the scaphoid fossa. After a proximal row carpectomy, the BMD of the scaphoid fossa decreases, and a BMD center is formed in the center of the lunate fossa, demonstrating that the force transmission is concentrated in its center.

Journal

European Journal of Plastic SurgerySpringer Journals

Published: Jul 1, 2008

References

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