Influence of medial and lateral imaging plane inclination on assessment of trochlear depth, sulcus angle, and facet asymmetry in the setting of trochlear anatomy: a cadaveric study.
Cadaver studies
Facet asymmetry
Patellar anatomy
Patellar dysplasia
Patellar instability
Sulcus angle
Trochlear anatomy
Trochlear depth
Journal
Surgical and radiologic anatomy : SRA
ISSN: 1279-8517
Titre abrégé: Surg Radiol Anat
Pays: Germany
ID NLM: 8608029
Informations de publication
Date de publication:
Feb 2023
Feb 2023
Historique:
received:
16
11
2022
accepted:
20
12
2022
pubmed:
19
1
2023
medline:
8
2
2023
entrez:
18
1
2023
Statut:
ppublish
Résumé
(1) to assess the influence of medial or lateral imaging plane inclination on the measurement of sulcus angle, trochlear depth, and facet asymmetry on transverse cross-sectional images. (2) to assess the effect of measurement level (height) on these respective parameters. Twenty dry femurs (9 left, 11 right) were imaged with CT. A 3D dataset was obtained from which axial images were reconstructed in the ideal plane without inclination as well as with 8° of medial and lateral inclination. Sulcus angle, trochlear depth, and facet asymmetry were measured on the 3 image sets. In addition, the measurements were performed at 5 mm and 10 mm from the superior margin of the medial trochlear facet. Statistical analysis consisted of the Wilcoxon test and calculation of measurement variation. There were no statistically significant differences between the indicated measurements on the reference set compared to medial or lateral inclination. All measurements were significantly different depending on measurement height. Medial or lateral inclination in the transverse imaging plane of 8° does not influence the values of typical parameters used for the assessment of trochlear dysplasia. The measurement height has a significant influence, and a consensus should be found as to which is the optimal measurement height.
Identifiants
pubmed: 36651995
doi: 10.1007/s00276-022-03069-5
pii: 10.1007/s00276-022-03069-5
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
207-213Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.
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