Home » Joints » Knee » Knee Pain/Derangements in the Child Knee Pain/Derangements in the Child July 22, 2020 by Data Trace Editor - patellofemoral joint disese (young female) - periarticular tumor: - Lyme Disease - Hemophilia - Discoid Meniscus - Osteochondritis Desicans - Noncommunicating popliteal cyst