Table 1.

Summary of patient age and gender, location of cartilage repair procedure, type of procedure, time to follow-up MRI, and morphology of repair tissue

Patient no.	Age	Sex	Knee	Site	Surgery	Follow-up (weeks)	Defect filling	Integration to border zone	Surface	Structure	Signal intensity
1	46	M	Left	Patella lateral	Mfx	32	<50%	Complete	Deep ulcer	Heterogeneous	Iso
2	50	M	Right	Lateral femoral condyle	Mfx	12	0%	None	None	None	None
3	42	M	Left	Medial femoral condyle	SG	68	<50%	Incomplete-Border visible	Fibrillation	Heterogeneous	Iso
4	55	F	Left	Lateral femoral condyle	Mfx	96	>50%	Complete	Fibrillation	Homogeneous	Iso
5	31	M	Right	Patella medial	JCI	12	None	None	None	None	None
6	51	M	Right	Medial femoral condyle	OAllo	104	>50%	Complete	Intact	Homogeneous	Iso
7	41	M	Right	Medial femoral condyle	SG	151	<50%	Incomplete-Border visible	Fibrillation	Homogeneous	Iso
8	20	M	Left	Medial femoral condyle	OAuto	12	<50%	Complete	Intact	Homogeneous	Iso
9	24	M	Left	Patella medial	DFR	14	100%	Incomplete-Border visible	Intact	Heterogeneous	Hyper
10	54	M	Right	Lateral trochlea	Mfx	26	<50%	Complete	Deep ulcer	Heterogeneous	Iso
11	43	M	Left	Lateral femoral condyle	MACI	26	100%	Incomplete – border visible	Intact	Homogeneous	Hyper

M male, F female, SI signal intensity, Iso isointense, Hyper hyperintense, Mfx microfracture, SG synthetic graft, JCI juvenile cartilage implant, OAllo osteochondral allograft, OAuto osteochondral autograft, DFR displaced osteochondral fragment reattachment, MCI matrix-assisted autologous chondrocyte implantation