Fig. 2From: Extracorporeal shock wave therapy for bone marrow edema syndrome in patients with osteonecrosis of the femoral head: a retrospective cohort studyPersonalized extracorporeal shockwave therapy (ESWT). a Technical solution. b Treatment diagram. c ESWT with the guidance of the C-arm. d The treatment point was selected according to the magnetic resonance imaging findings of bone marrow edema syndromeBack to article page