Fig. 2From: High-energy extracorporeal shock wave therapy for nontraumatic osteonecrosis of the femoral headMRI of a mid-age man with long-term alcohol abuse: a MRI indicated ARCO stage II ONFH with grade 4 BME in the left hip before ESWT; b BME reduction was observed in 3 months after ESWT; c MRI in 5 years after ESWT; d MRI indicated grade 2 BME at the final follow-up. The patient has restored hip function without pain since 5 months after ESWTBack to article page