DDX of osteochondroses

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Approach to the DDX of osteochondroses:

  • Osteochondroses is the descriptive term given to a group of disorders that affect the progress of bone growth by bone necrosis
  • It is only seen in children and adolescents who are still growing and affects the following areas:
    Epiphyses – metatarsal head (Freiberg disease), femoral head (Legg-Calve-Perthes disease), capitellum (Panner disease)
    Apophyses – calcaneus (Sever disease), tibial tuberosity (Osgood-Schlatter disease)
    Primary ossification centers – lunate (Kienbock disease), navicular (Kohler disease), patella (Sinding-Larsen-Johansson disease)