ArticleOsteoarthritis and cartilage open2023
Anterior meniscus extrusion is associated with anterior tibial osteophyte width in knee osteoarthritis - The Bunkyo Health Study.
Article in Osteoarthritis and cartilage open, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 9 citations in OpenAlex.
- Meniscal extrusion: Multiple theories, one clinical challenge.Journal of experimental orthopaedics · 2026Article
- Micro-computed tomographical and histopathological analyses of medial tibial plateaus from patients with subchondral insufficiency fracture or osteoarthritis of the knee.Arthritis research & therapy · 2026Article
- Medial plica is associated with progression of medial meniscus extrusion in middle-aged persons with Kellgren-Lawrence grade 0: data from the osteoarthritis initiative.Journal of orthopaedic surgery and research · 2025Article
- Baseline loss of knee extension is associated with regional MRI progression in knee osteoarthritis: a retrospective longitudinal cohort study-data from the osteoarthritis initiative.Rheumatology international · 2025Article
- Bone marrow lesion coexisted with subchondral bone attrition and/or subchondral bone cyst is associated with knee pain in knee osteoarthritis regardless of cartilage lesion: the Bunkyo health study.Arthritis research & therapy · 2025Article
- Progression of medial meniscal extrusion following anterior cruciate ligament reconstruction correlates with graft diameter: a retrospective longitudinal study.BMC musculoskeletal disorders · 2025Article
- Changes in the position of the medial meniscus owing to degenerative meniscus tears.Asia-Pacific journal of sports medicine, arthroscopy, rehabilitation and technology · 2025Article
- Medial meniscus extrusion is invariably observed and consistent with tibial osteophyte width in elderly populations: The Bunkyo Health Study.Scientific reports · 2023Article
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Authors and funding
20 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: In knee osteoarthritis (OA), medial meniscus extrudes both medially and anteriorly. We reported that full-length width of medial tibial osteophyte, which comprises cartilage and bone parts, is directly associated with medial meniscus extrusion in early-stage knee OA and hypothesized that anterior tibial osteophyte (ATO) is also associated with anterior meniscus extrusion (AME). Thus, we aimed to examine their prevalence and relationship. Methods: Elderly subjects (638 females and 507 males; average 72.9 years old) in the Bunkyo Health Study cohort were enrolled. MRI-detected OA changes were evaluated according to the Whole Organ Magnetic Resonance Imaging Score. ATO was evaluated using the method which can assess both cartilage and bone parts of osteophyte by pseudo-coloring images of proton density-weighted fat-suppressed MRI. Results: Most subjects showed the Kellgren-Lawrence grade 1/2 of the medial knee OA (88.1%), AME (94.3%, 3.7 ± 2.2 mm), and ATO (99.6%, 4.2 ± 1.5 mm). Among the OA changes, AME was most closely associated with full-length width of ATO (multivariable β = 0.877, Conclusions: AME and ATO were inevitably observed in the elderly subjects and AME was closely associated with full-length width of ATO. Our study provides the first evidence on the close relationship between AME and ATO in knee OA.
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