Discoid medial meniscus.
Three cases of discoid medical menisci were diagnosed preoperatively by arthrography. Discoid mensiscus usually occurs on the lateral side of the knee; its pathogenesis is obscure.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000000981:diagnostic imaging; D007719:Knee Joint / Q000000981:diagnostic imaging*; D008297:Male; D008592:Menisci, Tibial / Q000000981:diagnostic imaging*; D011859:Radiography