In 1887, Franz Konig stated
that, “There is a spontaneous osteochondritis
dissecans, which without
any other considerable damage
to the joint brings about detached
pieces of the articular surface. A
great part of remote traumatic events
associated with loose bodies must be
considered as having occurred in this
way.”1 Osteochondritis dissecans
(OCD) has been recently defined as a
focal, idiopathic alteration of subchondral
bone with the potential for
instability and disruption of the
adjacent articular cartilage that may
result in premature (ie, early secondary)