Knee Capsule Anatomy: An MR Imaging and Cadaveric Study

This research focuses on the anatomical insertion of the synovial capsule around the knee. The attachments of the capsule were measured in 50 knee MR imaging studies with large intraarticular effusion. Corresponding measurements were performed in 20 fresh frozen cadaveric specimens, for validation....

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Autores principales:	Aristeidis H. Zibis, Evangelia E. Vassalou, Vasileios A. Raoulis, Vasileios Lampridis, Michail E. Klontzas, Apostolos Fyllos, Panagiotis Stavlas, Apostolos H. Karantanas
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	external fixator knee joint capsule intra-capsular insertion MR imaging/knee joint MR arthrography cadavers/knee joint Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/e9ca83f1dd964726b422c6d4e1dc43bf
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spelling	oai:doaj.org-article:e9ca83f1dd964726b422c6d4e1dc43bf2021-11-25T17:20:18ZKnee Capsule Anatomy: An MR Imaging and Cadaveric Study10.3390/diagnostics111119652075-4418https://doaj.org/article/e9ca83f1dd964726b422c6d4e1dc43bf2021-10-01T00:00:00Zhttps://www.mdpi.com/2075-4418/11/11/1965https://doaj.org/toc/2075-4418This research focuses on the anatomical insertion of the synovial capsule around the knee. The attachments of the capsule were measured in 50 knee MR imaging studies with large intraarticular effusion. Corresponding measurements were performed in 20 fresh frozen cadaveric specimens, for validation. Femoral and tibial capsular reflections were defined as the distances between the attachment sites of the capsule and the femoral or tibial joint line and they were recorded in three coronal planes (anterior/middle/posterior). On MR imaging, the lateral/medial femoral capsular reflection mean values were 6.5/4.57 cm, 2.74/1.74 cm and 1.52/1.99 cm in the anterior, middle and posterior plane, respectively. MR imaging-based measurements did not differ significantly compared to corresponding cadaveric measurements. The mean values of the lateral/medial tibial capsular reflection on MR imaging were 0.09/0.11 cm, 0.34/0.26 cm and 0.62/0.34 cm in the anterior, middle and posterior plane, respectively. On cadaveric dissection, the maximum mean value was 1.45 cm, measured on the lateral side of the anterior plane. Apart from the lateral aspect of the posterior plane, MR imaging measurements were significantly lower, compared to the corresponding cadaveric measurements. The greatest femoral and tibial capsular reflections were found on the anterior and lateral side of the anterior plane. MR imaging appears to underestimate the distal extent of the knee capsule. Anatomical details of the knee capsule should be considered for safe insertion of external fixator pins.Aristeidis H. ZibisEvangelia E. VassalouVasileios A. RaoulisVasileios LampridisMichail E. KlontzasApostolos FyllosPanagiotis StavlasApostolos H. KarantanasMDPI AGarticleexternal fixatorknee joint capsuleintra-capsular insertionMR imaging/knee jointMR arthrographycadavers/knee jointMedicine (General)R5-920ENDiagnostics, Vol 11, Iss 1965, p 1965 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	external fixator knee joint capsule intra-capsular insertion MR imaging/knee joint MR arthrography cadavers/knee joint Medicine (General) R5-920
spellingShingle	external fixator knee joint capsule intra-capsular insertion MR imaging/knee joint MR arthrography cadavers/knee joint Medicine (General) R5-920 Aristeidis H. Zibis Evangelia E. Vassalou Vasileios A. Raoulis Vasileios Lampridis Michail E. Klontzas Apostolos Fyllos Panagiotis Stavlas Apostolos H. Karantanas Knee Capsule Anatomy: An MR Imaging and Cadaveric Study
description	This research focuses on the anatomical insertion of the synovial capsule around the knee. The attachments of the capsule were measured in 50 knee MR imaging studies with large intraarticular effusion. Corresponding measurements were performed in 20 fresh frozen cadaveric specimens, for validation. Femoral and tibial capsular reflections were defined as the distances between the attachment sites of the capsule and the femoral or tibial joint line and they were recorded in three coronal planes (anterior/middle/posterior). On MR imaging, the lateral/medial femoral capsular reflection mean values were 6.5/4.57 cm, 2.74/1.74 cm and 1.52/1.99 cm in the anterior, middle and posterior plane, respectively. MR imaging-based measurements did not differ significantly compared to corresponding cadaveric measurements. The mean values of the lateral/medial tibial capsular reflection on MR imaging were 0.09/0.11 cm, 0.34/0.26 cm and 0.62/0.34 cm in the anterior, middle and posterior plane, respectively. On cadaveric dissection, the maximum mean value was 1.45 cm, measured on the lateral side of the anterior plane. Apart from the lateral aspect of the posterior plane, MR imaging measurements were significantly lower, compared to the corresponding cadaveric measurements. The greatest femoral and tibial capsular reflections were found on the anterior and lateral side of the anterior plane. MR imaging appears to underestimate the distal extent of the knee capsule. Anatomical details of the knee capsule should be considered for safe insertion of external fixator pins.
format	article
author	Aristeidis H. Zibis Evangelia E. Vassalou Vasileios A. Raoulis Vasileios Lampridis Michail E. Klontzas Apostolos Fyllos Panagiotis Stavlas Apostolos H. Karantanas
author_facet	Aristeidis H. Zibis Evangelia E. Vassalou Vasileios A. Raoulis Vasileios Lampridis Michail E. Klontzas Apostolos Fyllos Panagiotis Stavlas Apostolos H. Karantanas
author_sort	Aristeidis H. Zibis
title	Knee Capsule Anatomy: An MR Imaging and Cadaveric Study
title_short	Knee Capsule Anatomy: An MR Imaging and Cadaveric Study
title_full	Knee Capsule Anatomy: An MR Imaging and Cadaveric Study
title_fullStr	Knee Capsule Anatomy: An MR Imaging and Cadaveric Study
title_full_unstemmed	Knee Capsule Anatomy: An MR Imaging and Cadaveric Study
title_sort	knee capsule anatomy: an mr imaging and cadaveric study
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e9ca83f1dd964726b422c6d4e1dc43bf
work_keys_str_mv	AT aristeidishzibis kneecapsuleanatomyanmrimagingandcadavericstudy AT evangeliaevassalou kneecapsuleanatomyanmrimagingandcadavericstudy AT vasileiosaraoulis kneecapsuleanatomyanmrimagingandcadavericstudy AT vasileioslampridis kneecapsuleanatomyanmrimagingandcadavericstudy AT michaileklontzas kneecapsuleanatomyanmrimagingandcadavericstudy AT apostolosfyllos kneecapsuleanatomyanmrimagingandcadavericstudy AT panagiotisstavlas kneecapsuleanatomyanmrimagingandcadavericstudy AT apostoloshkarantanas kneecapsuleanatomyanmrimagingandcadavericstudy
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Knee Capsule Anatomy: An MR Imaging and Cadaveric Study

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