MRI relaxation constants of the articular and sub-articular viable and necrotic epiphyseal cartilage.

Large lesion (5 × 5 mm incision): 3, 5, 9, weeks post-surgerySmall lesion (3 × 4 mm incision): 4, 6, 10 weeks post-surgeryDue to technical problems, the T2 measurement was invalid for the 3-week specimen and was not included.MRI relaxation constants of the articular and sub-articular viable and necrotic epiphyseal cartilage.