New Approaches to Treat Osteoarthritis with Mesenchymal Stem Cells

Figure 5

(a) Pretreatment proton density fat-suppressed axial MRI of the knee showing the isolated chondral defect involving the medial facet of the patella. (b) Posttreatment proton density axial MRI indicating articular cartilage regeneration at the site of the chondral defect with smooth integration with the surrounding joint surface [75].

(a)

(b)