Osteochondrosis of the primary ossification center (Köhler's disease of the patella), however, is infrequently described in the literature. Our case seems to be the first case of isolated painful ...

SSPCs are activated during the inflammatory phase of healing and differentiate into osteoblasts and/or chondrocytes to repair bone via a combination of intramembranous and endochondral ossification.

The term describes disturbances in endochondral ossification affecting either the primary or secondary ossification centers. Osteochondrosis of the tarsal navicular was first described by Köhler ...