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Morphological analysis of the distal femur as a surgical reference in biplane distal femoral osteotomy

Distal femoral osteotomy (DFO) is performed alone or with high tibial osteotomy (HTO) for patients with osteoarthritis and distal femur deformities. DFO is technically demanding, particularly when creating an anterior flange. Herein, we examined the morphological characteristics of the distal femur...

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Published in:Scientific reports 2024-05, Vol.14 (1), p.12130-12130, Article 12130
Main Authors: Sano, Shohei, Matsushita, Takehiko, Nagata, Naosuke, Tokura, Takeo, Nukuto, Koji, Nakanishi, Yuta, Nishida, Kyohei, Nagai, Kanto, Kanzaki, Noriyuki, Hoshino, Yuichi, Matsumoto, Tomoyuki, Kuroda, Ryosuke
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creator Sano, Shohei
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Kanzaki, Noriyuki
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Matsumoto, Tomoyuki
Kuroda, Ryosuke
description Distal femoral osteotomy (DFO) is performed alone or with high tibial osteotomy (HTO) for patients with osteoarthritis and distal femur deformities. DFO is technically demanding, particularly when creating an anterior flange. Herein, we examined the morphological characteristics of the distal femur based on the cortical shape as a surgical reference for biplanar DFO. Computed tomography images of 50 valgus and 50 varus knees of patients who underwent biplanar DFO or total knee arthroplasty were analyzed. Axial slices at the initial level of the transverse osteotomy in the DFO and slices 10 mm proximal and 10 mm distal to that level were selected. The medial and lateral cortical angles and heights (MCLA, LCLA, MCH, and LCH) were measured on axial slices. Statistical comparisons were performed between the medial and lateral cortices and valgus and varus knees. MCLA and MCH were significantly smaller and lower, respectively, than LCLA and LCH ( P  
doi_str_mv 10.1038/s41598-024-62988-y
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subjects 692/698/1671
692/700/1421/2770
Adult
Aged
Arthroplasty (knee)
Arthroplasty, Replacement, Knee - methods
Computed tomography
Female
Femur
Femur - anatomy & histology
Femur - diagnostic imaging
Femur - surgery
Humanities and Social Sciences
Humans
Knee Joint - diagnostic imaging
Knee Joint - pathology
Knee Joint - surgery
Male
Middle Aged
Morphology
multidisciplinary
Osteoarthritis
Osteoarthritis, Knee - diagnostic imaging
Osteoarthritis, Knee - pathology
Osteoarthritis, Knee - surgery
Osteotomy
Osteotomy - methods
Physical characteristics
Science
Science (multidisciplinary)
Tibia - anatomy & histology
Tibia - diagnostic imaging
Tibia - pathology
Tibia - surgery
Tomography, X-Ray Computed
title Morphological analysis of the distal femur as a surgical reference in biplane distal femoral osteotomy
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