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Author
Hino, Tomohito Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Furumatsu, Takayuki Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Kaken ID publons
Miyazawa, Shinichi Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences ORCID
Fujii, Masataka Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Kodama, Yuya Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Kamatsuki, Yusuke Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Okazaki, Yoshiki Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Masuda, Shin Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Okazaki, Yuki Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
Ozaki, Toshifumi Department of Orthopaedic Surgery , Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Kaken ID publons researchmap
Abstract
Purpose/Aim of the study:
Posterior root injury of the medial meniscus often leads to articular cartilage degeneration due to altered biomechanics. To avoid dysfunction, the attachment must be repaired using the transtibial pullout technique. To guide appropriate placement of the tibial tunnel, additional details on the normal anatomy of the meniscus insertion are needed. Therefore, we performed a histological analysis of a tibial bone slice with the medial meniscus posterior insertion obtained during total knee arthroplasty surgery.
Materials and methods:
Horizontal slices of the proximal tibia were obtained from 7 patients with osteoarthritis who underwent total knee arthroplasty. After decalcification, the region of the posterior horn was cut out and segmented into four pieces (2.0 mm thickness; medial to lateral). Sagittal sections were evaluated by safranin O staining or immunohistochemistry with anti-type collagen antibody.
Results:
Safranin O staining showed that the insertion of the posterior root consisted primarily of fibrocartilaginous layers in segment 2. Anatomically, segment 2 corresponded to the sagittal plane passing through the peak of the medial intercondylar tubercle. In this section, safranin O staining and immunohistochemistry revealed that the anterior one-third of the posterior root insertion was richer in proteoglycans and type II collagen than the central and posterior one-third.
Conclusions:
Anatomical insertion of the posterior root of the medial meniscus was located at the sagittal plane passing through the peak of the medial intercondylar tubercle. The structure of the medial meniscus posterior insertion was mainly localized in the anterior one-third.
Keywords
Medial meniscus posterior insertion
histological analysis
knee osteoarthritis
medial meniscus posterior root tear
transtibial pullout repair
Published Date
2019-07-09
Publication Title
Connective Tissue Research
Publisher
TAYLOR & FRANCIS
ISSN
0300-8207
NCID
AA00615033
Content Type
Journal Article
language
英語
OAI-PMH Set
岡山大学
File Version
author
PubMed ID
DOI
Web of Science KeyUT
Related Url
isVersionOf https://doi.org/10.1080/03008207.2019.1631298
Funder Name
Japan Society for the Promotion of Science
助成番号
16K10904