“…Arthroscopy has advantages, such as smaller incisions, shorter recovery time, better viewing and effective irrigation of the joint, the possibility of implanting continuous irrigation catheters, the possibility of collecting material for culturing and anatomopathological examination, and minimal morbidity. 42 , 43 , 44 , 45 , 46 , 47 Although there have been few studies on arthroscopic treatment of pyoarthritis in adults, good results have been obtained provided that the intervention was early. 48 , 49 Among children, some comparative studies have demonstrated the superiority of arthroscopic drainage over open drainage.…”