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Morphological classification and measurement of the glenoid cavity using three-dimensional reconstruction in a Chinese population
Affiliations- Department of Orthopaedics, Chinese and Western Medicine Hospital of Yibing, Yibing, China
- School of Clinical Medicine, Southwest Medical University, Luzhou, China
- Department of Orthopaedics, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Centre for Orthopaedic Diseases Research, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Expert Workstation in Luzhou, Luzhou, China
- Clinical Base of Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Guangdong Province Medical 3D Printing Application Transformation Engineering Technology Research Centre, Luzhou, China
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Abstract
Background: The purpose of this study was to examine the various shapes and
record the morphometric data of the glenoid cavity in a Chinese population.
Materials and methods: A total of 501 scapulae, 247 left and 254 right, were
analysed. We classified the shape of the glenoid cavity as type I (pear-shaped),
type II (oval-shaped), type III (teardrop-shaped), type IV (calabash-shaped) or
type V (inverted comma-shaped). Four defined parameters, the superior-inferior
glenoid diameter (AB), upper anterior-posterior glenoid diameter (CD), lower
anterior-posterior glenoid diameter (EF) and glenoid index (GI), were measured,
and five shapes were classified via three-dimensional reconstruction.
Results: The mean AB, CD, EF and GI values of the glenoid were 3.51 ± 0.41 cm,
1.95 ± 0.28 cm, 2.60 ± 0.34 cm, and 1.35 ± 0.12 cm, respectively. The AB
value of type II glenoid cavities was significantly smaller than that of type I and
III glenoid cavities (p < 0.05), but the GI value of type II glenoid cavities was
larger than that of type III cavities (p < 0.05). The CD value showed a difference
between type I and type III glenoid cavities (p < 0.05). For the EF parameter, the
values of type III glenoid cavities were significantly larger than those of type I and II
glenoid cavities (p < 0.05).
Conclusions: Measuring and observing the variety of shapes and sizes of the
glenoid cavity in Chinese people is conducive to for better understand its morphological
features. This information can also guide surgeons in the design and selection
of suitable prostheses for total shoulder arthroplasty in the Chinese population in
order to reduce postoperative complications.
Abstract
Background: The purpose of this study was to examine the various shapes and
record the morphometric data of the glenoid cavity in a Chinese population.
Materials and methods: A total of 501 scapulae, 247 left and 254 right, were
analysed. We classified the shape of the glenoid cavity as type I (pear-shaped),
type II (oval-shaped), type III (teardrop-shaped), type IV (calabash-shaped) or
type V (inverted comma-shaped). Four defined parameters, the superior-inferior
glenoid diameter (AB), upper anterior-posterior glenoid diameter (CD), lower
anterior-posterior glenoid diameter (EF) and glenoid index (GI), were measured,
and five shapes were classified via three-dimensional reconstruction.
Results: The mean AB, CD, EF and GI values of the glenoid were 3.51 ± 0.41 cm,
1.95 ± 0.28 cm, 2.60 ± 0.34 cm, and 1.35 ± 0.12 cm, respectively. The AB
value of type II glenoid cavities was significantly smaller than that of type I and
III glenoid cavities (p < 0.05), but the GI value of type II glenoid cavities was
larger than that of type III cavities (p < 0.05). The CD value showed a difference
between type I and type III glenoid cavities (p < 0.05). For the EF parameter, the
values of type III glenoid cavities were significantly larger than those of type I and II
glenoid cavities (p < 0.05).
Conclusions: Measuring and observing the variety of shapes and sizes of the
glenoid cavity in Chinese people is conducive to for better understand its morphological
features. This information can also guide surgeons in the design and selection
of suitable prostheses for total shoulder arthroplasty in the Chinese population in
order to reduce postoperative complications.
Keywords
glenoid cavity, anatomic variation, classification, morphology, three-dimensional reconstruction, glenoid notch
About this articleTitle
Morphological classification and measurement of the glenoid cavity using three-dimensional reconstruction in a Chinese population
Journal
Issue
Article type
Original article
Pages
325-331
Published online
2022-02-17
Page views
2355
Article views/downloads
1269
DOI
Pubmed
Bibliographic record
Folia Morphol 2023;82(2):325-331.
Keywords
glenoid cavity
anatomic variation
classification
morphology
three-dimensional reconstruction
glenoid notch
Authors
Y. Chen
J. Xiong
W. Chen
D. Xie
Y. Zhang
Y. Mo
X. Gu
L. Zhang
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