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Sectional morphology of the first metatarsophalangeal joint.

Authors
  • 1
Type
Published Article
Journal
The Journal of Foot & Ankle Surgery
1067-2516
Publisher
Elsevier - WB Saunders
Publication Date
Volume
33
Issue
1
Pages
77–82
Identifiers
PMID: 8161998
Source
Medline

Abstract

This study was designed to examine the sectional morphology of the first metatarsophalangeal joint. Sections were cut in the transverse or sagittal planes from the distal aspect of the first metatarsal and the proximal aspects of the proximal phalanx. These sections were then x-rayed and measurements of the radiographs were taken, in order to attempt to quantify variation in articular surfaces among the various sections. In addition, descriptive statistics of the height and width of the cross section at the mid-diaphysis of the first metatarsal and associated proximal phalanx are presented. Trabecular patterns of the head of the first metatarsal and the base of the proximal phalanx are described based on sectional radiographs. Differences in trabecular patterns between diseased and nondiseased bones are also described. These data are presented as an aid in the accurate sizing of future prosthetic first metatarsophalangeal joint designs.

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