Medial plica is associated with progression of medial meniscus extrusion in middle-aged persons with Kellgren–Lawrence grade 0 : data from the osteoarthritis initiative
Background: Medial plica is a structure with limited understanding of its pathology, but it may be related to the development of medial knee osteoarthritis (OA). We examined the association between medial plica and medial meniscus extrusion (MME), progression of MME, and the risk of early-stage knee OA development in middle-aged persons. Methods: A total of 340 subjects with tibiofemoral Kellgren–
