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Evaluation of the cartilage status after meniscal substitution by T2 mapping. In the acellular group the tendency in the tibial plateau was toward decrease significantly from 3 to 12 months. Cartigram values in the MSCs group slightly increased at 9 months but at 12 months returns to the initial measurements. This difference tends to be significantly lower in acellular patients than cellular implants at final outcome (P = 0.18).
