ArticleJournal of experimental orthopaedics2026
Coronal knee alignment is directly related to knee medial-to-lateral bone density ratio.
Article in Journal of experimental orthopaedics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Regional Differences in Knee Osteoporosis Based on Coronal Alignment Phenotype in Patients Undergoing Preoperative CT Imaging.Diagnostics (Basel, Switzerland) · 2026Article
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11 authors.
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Abstract
Purpose: To assess associations between coronal knee alignment and regional epiphyseal bone mineral density (BMD) using computed tomography (CT)-derived Hounsfield units (HU) and compare medial-to-lateral ratios (MLRs) across alignment groups, and as a secondary aim, to evaluate the association of sex and demographic factors with regional BMD patterns. Methods: A retrospective search (2008-2025) identified patients with non-contrast knee CT and standing anteroposterior long-leg radiographs. Exclusions included prior femur or tibia fracture or surgery and metabolic bone disease other than osteopenia or osteoporosis. Mean trabecular HU were measured for medial and lateral femoral condyles (MFC, LFC), distal femur epiphysis (DFE), medial and lateral tibial plateaus (MTP, LTP) and proximal tibia epiphysis (PTE). Outcomes included DFE-MLR (MFC/LFC), PTE-MLR (MTP/LTP) and combined-MLR ([MFC + MTP]/[LFC + LTP]). Alignment was categorized by hip-knee-ankle angle (HKAA) as major varus, varus, neutral, valgus or major valgus. Results: The cohort included 312 patients (mean age 66.5 ± 9.3 years; 50.6% female); 99.4% underwent CT for robotic-assisted arthroplasty planning. LFC HU exceeded MFC HU in 88.5% of cases ( Conclusions: Coronal knee alignment was strongly associated with compartmental epiphyseal BMD MLR, with lower MLR in valgus alignment and greater alignment sensitivity in females. These findings provide quantitative imaging context relevant to arthroplasty planning. Level of Evidence: Level III, retrospective comparative study.
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