ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2012
Fibrocartilage in various regions of the human glenoid labrum. An immunohistochemical study on human cadavers.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 10 citations in OpenAlex.
- Advanced Hydrogels in Fibrocartilage Regeneration of the Glenoid Labrum.Gels (Basel, Switzerland) · 2025Review
- Histological Analysis of Regenerative Properties in Human Glenoid Labral Regions.The American journal of sports medicine · 2023Article
- Anatomical, functional and biomechanical review of the glenoid labrum.Journal of anatomy · 2022Review
- The glenoid labrum: does labral lesion location matter?JSES international · 2020Article
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe nature and the distribution of fibrocartilage at the human glenoid labrum are unclear, and a better understanding may help to restore its function in open and arthroscopic Bankart repair. Aim of this study was to describe the fibrocartilage extent within the labrum at clinically relevant sites of the glenoid in order to relate the molecular composition of the labrum to its mechanical environment.
methodsTwelve fresh frozen human cadaveric shoulders (mean age 38 years) were obtained, and sections perpendicular to the glenoid rim at the 12, 2, 3, 4, 6 and 9 o' clock position were labelled with antibodies against collagen I and II, aggrecan and link protein.
resultsA fibrocartilaginous transition zone with a characteristic collagen fibre orientation was found in 81% of cases, evenly distributed (83-92%) around the glenoid rim. The percentage of labrum cross-sectional area comprised of fibrocartilage averaged 28% and ranged from 26% at 12 o'clock on the glenoid clock face to 30% at 3 o'clock. The highest amount of fibrocartilage (82%) was found in the region neighbouring the hyaline articular cartilage. In the region beyond the bony edge of the glenoid, fibrocartilage cross-sectional area did not exceed 12-17%.
conclusionFibrocartilage is present at all examined positions around the glenoid rim and constitutes up to 1/3 of the cross-sectional area of the labrum. In turn, the percentage of fibrocartilage in different regions of its cross-section varies considerably. The findings suggest that the penetration of fibrocartilaginous tissue may be reduced by avoiding the highly fibrocartilage transition zone during restoration of labral detachment.
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