Osteochondritis
•Disorders of actively growing epiphyses.
•The cause generally is unknown, but evidence indicates a lack of vascularity that may be the result of trauma, infection, or congenital malformation. (exc. Osgood-Schlatter disease is traumatic in origin)
Ex,
Iselin’s Disease : Traction epiphysitis of the base of the fifth metatarsal
Freiberg’s Disease : aseptic necrosis of MT head
Kohler’s Disease : Osteochondrosis of Navicular, Aseptic Necrosis of navicular
Osgood Schlatter Diseases : Osteochondritis of the tibial tubercle, strain or partial avulsion of tibial tubercle
Osteochondrosis of Capitellum