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World J Orthop. Jun 18, 2024; 15(6): 520-528
Published online Jun 18, 2024. doi: 10.5312/wjo.v15.i6.520
Figure 1
Figure 1 Watanabe classification of the discoid lateral meniscus. A: A complete discoid lateral meniscus (DLM) (type I) is a meniscus that covers the entire lateral tibial plateau and has a normal posterior attachment; B: Incomplete DLM (type II) refers to a meniscus that covers most of the lateral tibial plateau with normal posterior attachment as well; C: Wrisberg DLM (type III) (has normal discoid morphology but lacks posterior attachment (popliteomeniscal fascicles) and only has the Wrisberg ligament attached.