Imaging of the subtalar joint: A novel approach to an old problem.
anatomy
imaging
subtalar joint
weightbearing CT
Journal
Journal of orthopaedic research : official publication of the Orthopaedic Research Society
ISSN: 1554-527X
Titre abrégé: J Orthop Res
Pays: United States
ID NLM: 8404726
Informations de publication
Date de publication:
04 2019
04 2019
Historique:
received:
14
08
2018
accepted:
02
01
2019
pubmed:
15
1
2019
medline:
21
12
2019
entrez:
15
1
2019
Statut:
ppublish
Résumé
Evaluation of the subtalar joint using conventional radiographs is difficult. The purpose of this study was to assess how the posterior facet of the subtalar joint is projected on eight standard radiographic views of the foot and ankle. Weightbearing computed tomography (CT) scans of 27 volunteers without ankle pathology were performed. Eight standard views of the foot and ankle (antero-posterior [AP] view, mortise view, subtalar view, four different Broden views) were reconstructed using digitally reconstructed radiographs (DRRs). The appearance of the posterior facet of the subtalar joint was assessed for each view. In addition, the position of the joint line was projected onto three-dimensional (3-D) models of the calcaneus. We found (i) on the AP view of the ankle joint, the posterior part of the posterior facet is visualized and appears convex (calcaneal side); (ii) on the mortise view of the ankle joint, a slightly more anterior part (compared to the AP view) is visualized and appears either convex or flat; (iii) on the subtalar view, the anterior part of the posterior facet is visualized and appears either convex, flat or concave; and (iv) using the Broden views, the posterior and anterior part of the posterior facet can be visualized. This study clarifies which parts of the posterior facet of the subtalar joint are visualized on eight standard views of the foot and ankle. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res.
Identifiants
pubmed: 30638276
doi: 10.1002/jor.24220
pmc: PMC7311051
mid: NIHMS1600000
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
921-926Subventions
Organisme : NIBIB NIH HHS
ID : R01 EB016701
Pays : United States
Organisme : NIAMS NIH HHS
ID : R21 AR063844
Pays : United States
Organisme : NIH HHS
ID : R21AR063844
Pays : United States
Informations de copyright
© 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc.
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