case_images: PMC3722982_01
case_images: Preoperative coronal (a) and sagittal (b) MRI views before the first operation, showing a IIA type lesion, according to Giannini's classification.
case_images: CRIM.ORTHOPEDICS2013-850502.001.jpg
case_images: PMC3722982_01_CRIM.ORTHOPEDICS2013-850502.001.jpg
case_images: fig1
case_images: The lesion size was (16 x 11 mm), and the depth was 8 mm (Figure 1).
case_images: Coronal MRI view 2 years after the first operation. The cartilaginous layer was present, but it was submined by a subchondral cyst.
case_images: CRIM.ORTHOPEDICS2013-850502.002.jpg
case_images: PMC3722982_01_CRIM.ORTHOPEDICS2013-850502.002.jpg
case_images: fig2
case_images: MRI scan highlighted a subchondral cyst in the proximity of the medial area which was surgically treated two years before: however, a layer of new cartilage tissue was present (Figure 2).
case_images: MRI performed 1 year after the second operation, coronal (a) and sagittal (b) views. There are no signs of the previous subchondral cyst. The MOCART scale demonstrates that the defect is completely filled.
case_images: CRIM.ORTHOPEDICS2013-850502.003.jpg
case_images: PMC3722982_01_CRIM.ORTHOPEDICS2013-850502.003.jpg
case_images: fig3
case_images: A complete filling of the defect was present, and the chondral tissue was in remodeling phase (Figure 3).
case_images: The T2 mapping MRI performed one year after the second treatment shows a 42 msec value, a sign of hyaline cartilage regeneration.
case_images: CRIM.ORTHOPEDICS2013-850502.004.jpg
case_images: PMC3722982_01_CRIM.ORTHOPEDICS2013-850502.004.jpg
case_images: fig4
case_images: The T2 mapping MRI performed at 12 months showed a chondral tissue with a signal of 42 milliseconds, a value that is in the range of normality for hyaline tissue (Figure 4).