Osteochondroses
-aka epiphysitis, osteochondritis, necrosis
-affects epiphyses
Osteochondritis Dissecans
-subchondral necrosis followed by recalcification
-cartilage and subchondral can become loose
-microtrauma
Sx: activity related pain
Osteonecrosis
-death of bone and bone marrow
-avascular necrosis
Sx: prevent weight bearing
Legg-Calve-Perthes
-necrosis of proximal femur
-common in children
Sx: abnormal posture and pain
Osgood-Schlatter
-fibers of patellar tendon on tibia
-tendonitis
-boys >girls