The safe zone of distal fibula was determined based on the classification of lateral malleolus fossa.
Ankle
Fibular fracture
Internal fixation
Lateral malleolar fossa
Journal
Journal of orthopaedic surgery and research
ISSN: 1749-799X
Titre abrégé: J Orthop Surg Res
Pays: England
ID NLM: 101265112
Informations de publication
Date de publication:
22 Sep 2023
22 Sep 2023
Historique:
received:
07
08
2023
accepted:
12
09
2023
medline:
25
9
2023
pubmed:
22
9
2023
entrez:
22
9
2023
Statut:
epublish
Résumé
Lateral malleolus fractures are very common, and the distal fibular geometry is complex. This study aimed to classify the lateral malleolus fossa (MF) into different types by characterizing the lateral MF imaging morphology and exploring the relationship between the lateral MF and internal fixation position after distal fibula fractures. Anteroposterior CT reconstruction was performed on 248 subjects. After reconstruction, the deepest point of the lateral MF was located, and then, the cross-sectional shape of the lateral MF was observed and classified. According to the morphology of the CT cross section, the lateral MF was divided into three types: type C (43.1%), type V (32.2%), and type Flat (24.7%). Type V (3.98 ± 0.82) was significantly longer than type C(2.83 ± 0.54) and type Flat (1.84 ± 0.42) in cd. Similarly, in ∠α, Type Flat(136.31 ± 9.63) was the largest, followed by type C (116.51 ± 8.79), and type V (89.31 ± 9.07) was the smallest. Other measurements were not found any significant differences between the above. According to the morphology of the CT cross section, the lateral MF was divided into three types: type C, type V and type Flat. Type V is most likely to be invaded when fixing the distal fibula. Screws less than 9 mm should be selected when fixing, and screws no more than 10 mm should be selected when there are type C and type Flat of MF.
Sections du résumé
BACKGROUND
BACKGROUND
Lateral malleolus fractures are very common, and the distal fibular geometry is complex. This study aimed to classify the lateral malleolus fossa (MF) into different types by characterizing the lateral MF imaging morphology and exploring the relationship between the lateral MF and internal fixation position after distal fibula fractures.
METHODS
METHODS
Anteroposterior CT reconstruction was performed on 248 subjects. After reconstruction, the deepest point of the lateral MF was located, and then, the cross-sectional shape of the lateral MF was observed and classified.
RESULTS
RESULTS
According to the morphology of the CT cross section, the lateral MF was divided into three types: type C (43.1%), type V (32.2%), and type Flat (24.7%). Type V (3.98 ± 0.82) was significantly longer than type C(2.83 ± 0.54) and type Flat (1.84 ± 0.42) in cd. Similarly, in ∠α, Type Flat(136.31 ± 9.63) was the largest, followed by type C (116.51 ± 8.79), and type V (89.31 ± 9.07) was the smallest. Other measurements were not found any significant differences between the above.
CONCLUSION
CONCLUSIONS
According to the morphology of the CT cross section, the lateral MF was divided into three types: type C, type V and type Flat. Type V is most likely to be invaded when fixing the distal fibula. Screws less than 9 mm should be selected when fixing, and screws no more than 10 mm should be selected when there are type C and type Flat of MF.
Identifiants
pubmed: 37736730
doi: 10.1186/s13018-023-04194-6
pii: 10.1186/s13018-023-04194-6
pmc: PMC10514986
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
714Subventions
Organisme : National Natural Science Foundation of China (Youth Science Foundation Project)
ID : 82004458
Organisme : Scientific Research Cultivation Project of The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University
ID : 2022-CXTD-08
Organisme : Supported by Sichuan Science and Technology Program
ID : 2022YFS0609
Organisme : Hejiang People's Hospital - Southwest Medical University Science and Technology Strategic Cooperation Project
ID : 2022HJXNYD04
Organisme : General Project of Sichuan Traditional Chinese Medicine Administration Traditional Chinese Medicine Research Special Project (Fundamentals of Traditional Chinese Medicine)
ID : 2023MS248.
Informations de copyright
© 2023. BioMed Central Ltd., part of Springer Nature.
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