Orthopaedic surgeons help form ROCK Group to battle vexing, degenerative knee condition in adolescents.

Pediatric orthopaedic surgeons around the country remain baffled by a rare condition called osteochondritis dissecans (OCD), a degenerative cartilage disorder that strikes the knees of active, athletic teenagers. The surgeons teleconference frequently and meet several times a year to share information about their rare cases to better understand a condition with no known cause, and no proven best treatment.