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Table 2 Contraindications for meniscal allograft transplantation [102, 103, 105,106,107,108,109]

From: Clinical significance and management of meniscal extrusion in different knee pathologies: a comprehensive review of the literature and treatment algorithm

1. Age > 60 years

2. Poor axial alignment of the lower limb (varus/valgus > 3ο or 5ο)

3. Immature skeleton

4. Knee OA of grade ≥ 3 according to the Kellgren–Lawrence or Ahlbäck classification

5. Diffuse degeneration of the articular cartilage

6. Knee instability

7. BMI > 35

8. Inflammatory joint disease

9. Disease of the synovial membrane

10. Recent septic arthritis or untreated septic arthritis

11. Metabolic disorders or the presence of crystals

12. Previous osteotomy for mechanical axis correction

13. ACL insufficiency

  1. OA osteoarthritis, BMI body mass index, ACL anterior cruciate ligament