[Medial and lateral discoid menisci in the same knee. Apropos of a case].

To our knowledge, the case of association of discoid lateral and medial menisci in the same knee has not yet been reported. There are several factors which may contribute in the development of discoid meniscus: usually congenital, the types described by SMILLIE and WRISBERG must be distinguished and have not the same prognosis; thus, the discoid meniscus only acquired after birth seems rare.