This is a prospective, unicentric, randomized, open-label, single-dose, two-arm, blinded assessor pilot study in which 20 patients with degenerative meniscus injury grade 3 (Crues et al.) will enter the study with the primary objective of assessing the efficacy of the treatment by VAS of pain at 12 month. Secondary objectives are to evaluate the safety and efficacy through imaging procedures and clinical questionnaires (IKDC, KOOS, Lysholm and SF-36.