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Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions

The popliteal hiatus is a complex region, formed by the confluence of various structures connecting the meniscus, popliteal tendon, tibia and fibula. The main structures that can be found are the three popliteomeniscal fascicles (anterior, postero-inferior and postero-superior), the lateral and post...

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Autores principales: Grassi, Alberto, Pizza, Nicola, Andrea Lucidi, Gian, Macchiarola, Luca, Mosca, Massimiliano, Zaffagnini, Stefano
Formato: Online Artículo Texto
Lenguaje:English
Publicado: British Editorial Society of Bone and Joint Surgery 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7845568/
https://www.ncbi.nlm.nih.gov/pubmed/33532087
http://dx.doi.org/10.1302/2058-5241.6.200089
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author Grassi, Alberto
Pizza, Nicola
Andrea Lucidi, Gian
Macchiarola, Luca
Mosca, Massimiliano
Zaffagnini, Stefano
author_facet Grassi, Alberto
Pizza, Nicola
Andrea Lucidi, Gian
Macchiarola, Luca
Mosca, Massimiliano
Zaffagnini, Stefano
author_sort Grassi, Alberto
collection PubMed
description The popliteal hiatus is a complex region, formed by the confluence of various structures connecting the meniscus, popliteal tendon, tibia and fibula. The main structures that can be found are the three popliteomeniscal fascicles (anterior, postero-inferior and postero-superior), the lateral and posterior meniscotibial ligaments, the popliteofibular ligament and the meniscofibular fascicle. These structures can be identified in most cases using magnetic resonance imaging, and their ‘static’ assessment can be performed. Arthroscopic assessment is useful in identifying and testing ‘dynamically’ the integrity of the structures around the popliteal hiatus. Injuries or abnormalities of the popliteal hiatus and its structures could result in meniscal hypermobility and subluxation; however, these injuries are often unrecognized. Possible abnormalities in this region, apart from the well-known bucket-handle meniscal tear, are the Wrisberg Type III discoid meniscus, and meniscal fascicles tears. Cite this article: EFORT Open Rev 2021;6:61-74. DOI: 10.1302/2058-5241.6.200089
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spelling pubmed-78455682021-02-01 Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions Grassi, Alberto Pizza, Nicola Andrea Lucidi, Gian Macchiarola, Luca Mosca, Massimiliano Zaffagnini, Stefano EFORT Open Rev Sports & Arthroscopy The popliteal hiatus is a complex region, formed by the confluence of various structures connecting the meniscus, popliteal tendon, tibia and fibula. The main structures that can be found are the three popliteomeniscal fascicles (anterior, postero-inferior and postero-superior), the lateral and posterior meniscotibial ligaments, the popliteofibular ligament and the meniscofibular fascicle. These structures can be identified in most cases using magnetic resonance imaging, and their ‘static’ assessment can be performed. Arthroscopic assessment is useful in identifying and testing ‘dynamically’ the integrity of the structures around the popliteal hiatus. Injuries or abnormalities of the popliteal hiatus and its structures could result in meniscal hypermobility and subluxation; however, these injuries are often unrecognized. Possible abnormalities in this region, apart from the well-known bucket-handle meniscal tear, are the Wrisberg Type III discoid meniscus, and meniscal fascicles tears. Cite this article: EFORT Open Rev 2021;6:61-74. DOI: 10.1302/2058-5241.6.200089 British Editorial Society of Bone and Joint Surgery 2021-01-04 /pmc/articles/PMC7845568/ /pubmed/33532087 http://dx.doi.org/10.1302/2058-5241.6.200089 Text en © 2021 The author(s) https://creativecommons.org/licenses/by-nc/4.0/ This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (CC BY-NC 4.0) licence (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed.
spellingShingle Sports & Arthroscopy
Grassi, Alberto
Pizza, Nicola
Andrea Lucidi, Gian
Macchiarola, Luca
Mosca, Massimiliano
Zaffagnini, Stefano
Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
title Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
title_full Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
title_fullStr Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
title_full_unstemmed Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
title_short Anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
title_sort anatomy, magnetic resonance and arthroscopy of the popliteal hiatus of the knee: normal aspect and pathological conditions
topic Sports & Arthroscopy
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7845568/
https://www.ncbi.nlm.nih.gov/pubmed/33532087
http://dx.doi.org/10.1302/2058-5241.6.200089
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