Table 3.

MRI and Intraoperative Findings^a

Patient Identifier	Lesion Location	Non-OCD MRI findings	Intraoperative findings	OCD Lesion Area, mm2	ICRS Stage
A	Capitellumb	None	Loose bodies	100	IV
A	Capitellum	None	Loose body	81	IV
B	Capitellum	None	Unstable	144	III
C	Trochlea	Cubitus varus	Outerbridge 4 trochlea, no loose body	35	III
D	Capitellum	None	Unstable	150	III
E	Capitellum	Loose bodies	Loose body	64	IV
F	Capitellum	Loose body	Loose body	64	IV
G	Capitellum	Loose body, UCL strain	Loose body, healed capitellar lesion, Outerbridge 1 and 2 in RC and UH joints	150	IV
H	Capitellum	Loose body	Loose bodies, synovitis, Outerbridge 2 UH and radial head	15	IV
I	Capitellum	Effusion	Stable, Outerbridge 1-2 changes in capitellum with cartilage softening and fissuring, no other loose bodies	60	II
J	Radial head	None	Stable, no loose body, scattered Outerbridge 1-2 changes in capitellum	100	III
K	Capitellum	None	Stable, Outerbridge 3-4 changes in capitellum	56	III
L	Capitellum	None	Loose body, stable ligamentous examination	40	IV
M	Capitellum	Subchondral cyst radial head	Multiple loose bodies, stable, Outerbridge 3-4 capitellum, Outerbridge 1-2 radial head	50	IV
N	Capitellum	Synovitis	Loose body in joint, synovitis	35	IV
N	Capitellum	Loose body, medial epicondylitis	Loose body in joint, synovitis	35	IV
O	Capitellum	Loose body, synovitis	Loose body in joint, synovitis	35	IV
P	Capitellum	Loose body, chondral wear radial head	Loose bodies × 2, Outerbridge 2 changes in radial head and UH joint	225	IV
Q	Capitellum	Medial epicondyle apophysitis, signal in anterior band of UCL, ulnar neuritis, triceps tendinopathy	Loose bodies × 2, Outerbridge 2 changes in UH joint, synovitis	150	IV
R	Capitellum	Synovitis	Loose body	64	IV
S	Capitellum	UCL strain	Loose body, Outerbridge 2 UH joint	60	IV
T	Capitellum	None	Loose body, Outerbridge 1-2 changes in UH and radial head, synovitis	50	IV
U	Capitellum	None	Unstable, Outerbridge 2 changes in radial head, synovitis	225	III
V	Trochlea	UCL strain, signal around ulnar nerve	Outerbridge 3-4 changes in trochlear, synovitis	25	III
W	Capitellum	Loose body	Loose body, synovitis	35	IV

^aICRS, International Cartilage Repair Society; MRI, magnetic resonance imaging; OCD, osteochondritis dissecans; RC, radiocapitellar; UCL, ulnar collateral ligament; UH, ulnohumeral.

^bPatient/elbow ultimately underwent revision surgery with osteochondral transfer system with allograft.