II. Definition

  1. Abnormal growth, injury or overuse of developing Growth Plate or contiguous Ossification Centers in the immature skeleton

III. Precautions: Naming alert

  1. Osteochondrosis is NOT the same as Osteochondritis Dissecans

IV. Epidemiology

  1. Gender: Boys more commonly affected
  2. Age: Most common between ages 10-14 years old

V. Symptoms

  1. Pain or Disability at the affected joint

VI. Types

  1. Back
    1. Scheuermann Disease (humpback deformity)
  2. Elbow
    1. Medial Epicondyle Apophysitis
    2. Panner Disease (Lateral elbow capitellum degeneration)
  3. Foot
    1. Sever Disease (Calcaneal Apophysitis)
    2. Frieberg Disease (second Metatarsal head)
    3. Kohler Bone Disease (Tarsal Navicular)
  4. Knee
    1. Osgood-Schlatter Disease (Patellar tendon insertion at tibial tubercle Apophysitis)
    2. Sinding-Larsen-Johansson Disease (inferior pole Patella)
  5. Hip
    1. Legg-Calve-Perthes Disease

VII. Course

  1. Osteochondrosis is self limited to the growth period and resolves once skeletal maturity is reached

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