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Evaluation of the morphological variations of the meniscus: a cadaver study.
Knee Surg Sports Traumatol Arthrosc. 2013 Jul 20;
Authors: Ryu K, Iriuchishima T, Oshida M, Saito A, Kato Y, Tokuhashi Y, Aizawa S
Abstract
PURPOSE: The purpose of this study was to reveal the prevalence of the subtypes of the meniscus using human cadaver knees.
METHODS: Four hundred and thirty-seven cadaveric knees in 219 subjects (formalin fixed, Japanese population) with a median age of 83 years (54-97) were included in this study. All soft tissues surrounding the knee, excluding the meniscus, were resected, and macroscopic assessment of the meniscus was performed. Meniscus subtypes were classified as: (1) normal meniscus, (2) complete discoid, (3) incomplete discoid, (4) ring-shaped, and (5) double-layered.
RESULTS: All subtypes of the meniscus were observed in the lateral meniscus. Complete discoid lateral meniscus was observed in 27 knees (6.2 %), incomplete discoid lateral meniscus was observed in 139 knees (31.8 %), ring-shaped lateral meniscus was observed in 4 knees (0.9 %), and double-layered meniscus was observed in 2 knees (0.5 %).
PMID: 23873345 [PubMed - as supplied by publisher]
Read more... http://www.ncbi.nlm.nih.gov/pubmed/23873345?dopt=Abstract
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