Morphological changes of the lateral meniscus in end-stage lateral compartment osteoarthritis of the knee

Title
Morphological changes of the lateral meniscus in end-stage lateral compartment osteoarthritis of the knee
Author(s)
박철현S.H.Hwang[S.H.Hwang]K.A.Jung[K.A.Jung]W.J.Lee[W.J.Lee]K.H.Yang[K.H.Yang]D.W.Lee[D.W.Lee]A.Carter[A.Carter]D.J.Hunter[D.J.Hunter]
Keywords
ARTICULAR-CARTILAGE; DISCOID MENISCUS; HIGH-FREQUENCY; JOINT; ASSOCIATION; KOREANS; MRI
Issue Date
201202
Publisher
W B SAUNDERS CO LTD
Citation
OSTEOARTHRITIS AND CARTILAGE, v.20, no.2, pp.110 - 116
Abstract
Objective: The aim of this study was to evaluate the morphological changes of the lateral meniscus in end-stage lateral compartment osteoarthritis (OA) of the knee. Methods: One hundred fifty-eight knee joints from 133 patients that subsequently underwent total knee joint arthroplasty from January 2008 to December 2009 were enrolled. There were 26 men and 107 women. Their ages ranged from 56 to 81 (mean 67.4 +/- 6.5 years). All study participants had complete obliteration of the lateral joint space identified by weight-bearing radiography. Meniscal position was assessed by measuring meniscal subluxation and meniscal height. The meniscal morphology was assessed using a modification of the whole-organ magnetic resonance imaging score (WORMS). The frequency of different meniscal morphology and their respective positions was calculated. Results: The predominant type (42.4%, 53.8% and 52.5% in the anterior horn, mid-body and posterior horn, respectively) of abnormal meniscal morphology was a complete maceration/destruction or complete resection. The anterior horn of non-macerated lateral meniscus was more subluxed than that of the non-macerated medial meniscus in patients with lateral OA. Conclusion: This study suggests that the lateral meniscus in persons with end-stage lateral OA are mostly macerated or destroyed. Also, unlike isolated end-staged medial compartment OA, the anterior horn of the lateral meniscus in isolated end-stage lateral OA is commonly affected. (C) 2011 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/29828http://dx.doi.org/10.1016/j.joca.2011.11.005
ISSN
1063-4584
Appears in Collections:
의과대학 > 정형외과학교실 > Articles
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