Can Knee Arthroscopy Be Considered Entirely Safe for Patients Over 50 Years Old With no Risk of Osteonecrosis? Case Series and Literature Review on Post‐Artrhoscopy Osteonecrosis of the Knee (PAONK). - Ntagiopoulos, Panagiotis; Kalinterakis, Georgios; Pozzi, Pierrenzo; Fligkos, Dimitris; Themistocleous, George; Themistokleous, Sotirios; Dimou, Triantafyllia; Compagnoni, Riccardo; Ferrua, Paolo; Simone Randelli, Pietro (Orthopaedic Surgery, 2025)