Medial plica synovialis or shelf syndrome of the knee.
D000293:Adolescent; D000328:Adult; D001182:Arthroscopy; D002357:Cartilage Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis / Q000601:surgery; D007719:Knee Joint; D008722:Methods; D008875:Middle Aged; D013577:Syndrome; D000074402:Synovectomy