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Arthroscopic findings of medial meniscus degeneration in a 44-year-old patient (case 1). Initial arthroscopy (A-C) and second-look arthroscopy (D) are shown. The irreparable meniscal tear is detected, and a partial meniscectomy (A) and rasping are performed (B). A polyglycolic acid scaffold is implanted (C). The implanted meniscal scaffold is replaced with meniscus tissue at 12 months postoperatively (D).
