ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2025
A new preclinical sheep model of medial meniscus anterior root repair: Part 1-Quantitative morphology and relationships to adjacent structures.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Demystifying machine learning approaches in digital bone imaging using microCT and HRpQCT.Bone reports · 2026Review
- Region specific microstructural complexity of the ovine meniscus root provides an organizational basis for injury susceptibility.Scientific reports · 2025Article
- A new preclinical sheep model of medial meniscus anterior root repair: Part 1-Quantitative morphology and relationships to adjacent structures.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
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Abstract
purposeTo analyse the quantitative morphology of the menisci, their roots and relations with a focus on the medial meniscus anterior root (MAR) as a basis for a preclinical model.
methodsData was obtained from 24 tibial plateaus of skeletally mature, female Merino ewes. The MAR attachment (MARA) was scanned with micro-computed tomography and stained with hematoxylin and eosin. Data of relevant anatomical structures was subjected to principal component analysis (PCA) and Spearman correlations.
resultsThe osteo-ligamentous junction of the MARA represents a classical enthesis with a type-I insertion into the cortical bone. The medial tibial plateau was of a significantly smaller area than lateral. Its sagittal length was significantly longer than lateral. The widths of the MAR and lateral meniscus anterior root (LAR) were approximately half of both anterior horn widths. The MAR was significantly wider than the LAR. The medial meniscus body, posterior horn and medial posterior root were significantly thinner than lateral. PCA and cluster analysis revealed a striking, significant distinction between the structures of the medial and lateral tibial plateau. The sagittal length of the articular cartilage of both tibial plateaus correlated with the primary axis length of both menisci. The maximum width of the articular cartilage of both plateaus correlated with the area of both menisci. Significant correlations also existed between the length of the MAR and the total width of the tibia plateau and between the size of the MARA and the coronal distance to the medial tibial eminence (MTE), to the tibial tuberosity and the sagittal distance to the MTE.
conclusionThe ovine MAR may be appropriate for repair approaches because of its morphological similarities to the human situation. The substantial differences between the medial and lateral tibial plateau have to be respected. LEVEL OF EVIDENCE: Not applicable.
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