Table 1.

Magnetic Resonance Imaging Results of Autologous Chondrocyte Implantation Grafts.

Defect Fill	Poor: 0	Moderate: 2	Good: 22
Surface regularity	Severely irregular: 0	Moderately irregular: 6	Mildly irregular: 18	Smooth: 0
Signal pattern	Layered: 14	Mottled: 9	Homogenous: 1
Marrow edema	Increased: 5	Same: 4	Decreased: 15
Subchondral plate	Focal defects + Slight depression: 5	Focal defects: 10	Slight depression: 7	No defects: 2
Cystic lesion	Increase: 7	No change: 2	Decrease: 7	None: 8