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The innominate tubercle of the femur is a consistent surgical landmark and shows no variation between sex and side: An osteological study.

Ward, MH; Williams, RL; Bekvalac, J; Bajada, S; Maheson, M; Adds, PJ (2021) The innominate tubercle of the femur is a consistent surgical landmark and shows no variation between sex and side: An osteological study. Clin Anat, 34 (5). pp. 742-747. ISSN 1098-2353 https://doi.org/10.1002/ca.23714
SGUL Authors: Adds, Philip James

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Abstract

INTRODUCTION: During direct anterior approach hip arthroplasty, the innominate tubercle (IT) of the femur is used as a reference point for femoral neck osteotomy. A recent study found that IT dimensions are unaffected by femoral length, neck-shaft angle, and neck length. This study investigated the position of the tubercle relative to femoral side, sex and femoral neck dimensions. MATERIALS AND METHODS: One hundred and ninety femora (95 pairs, complete with biographical data) from St. Bride's Church, London, were photographed with the apex of the tubercle marked. Using imaging software, axes were superimposed onto the image, allowing the X and Y co-ordinates of the tubercle apex to be derived. Statistical analysis was carried out. RESULTS: The position of the tubercle did not vary significantly and did not correlate with femoral side (p > .05). P values for variation of the X and Y coordinates were 0.351 and 0.996 in left and right femora, respectively. The tubercle position did not vary significantly with sex (p > .05). p Values for variation of the X and Y coordinates were 0.254 and 0.634 in males and females, respectively. There was little variation between tubercle position and femoral neck dimensions: correlation coefficient -0.20 (x coordinate) and -0.12 (y coordinate). CONCLUSIONS: The data showed that the position of the IT did not vary significantly with either sex or side and that, therefore, the tubercle can be considered a reliable surgical landmark during arthroplasty surgery.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Ward, MH, Williams, RL, Bekvalac, J, Bajada, S, Maheson, M, Adds, PJ. The innominate tubercle of the femur is a consistent surgical landmark and shows no variation between sex and side: An osteological study. Clinical Anatomy. 2021; 34: 742– 747, which has been published in final form at https://doi.org/10.1002/ca.23714. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Keywords: arthroplasty, direct anterior approach, femoral osteotomy, femur, femur neck, innominate tubercle, arthroplasty, direct anterior approach, femoral osteotomy, femur, femur neck, innominate tubercle, approach; femoral osteotomy, arthroplasty, direct anterior, femur, femur neck, innominate tubercle, 1116 Medical Physiology, 1103 Clinical Sciences, Anatomy & Morphology
SGUL Research Institute / Research Centre: Academic Structure > Institute of Medical & Biomedical Education (IMBE)
Academic Structure > Institute of Medical & Biomedical Education (IMBE) > Centre for Biomedical Education (INMEBE)
Journal or Publication Title: Clin Anat
ISSN: 1098-2353
Language: eng
Dates:
DateEvent
9 June 2021Published
1 January 2021Published Online
15 December 2020Accepted
Publisher License: Publisher's own licence
PubMed ID: 33347646
Web of Science ID: WOS:000604034300001
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/112747
Publisher's version: https://doi.org/10.1002/ca.23714

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