Arthrodiatasis for the Treatment of Perthes’ Disease

Arthrodiatasis for the Treatment of Perthes’ DiseaseTarek A. Aly, MD, PhD; Osama A. Amin, MD, PhD ORTHOPEDICS 2009; 32:817AbstractIt is hypothesized that the interruption of the blood supply is an important factor causing femoral head osteonecrosis in the early stages of Legg-Calvé-Perthes disease. Currently, treatment by containment is recommended to direct and guide remodeling of the softened … Continue reading Arthrodiatasis for the Treatment of Perthes’ Disease

Risser sign

Risser sign is defined by the amount of calcification present in the iliac apophysis and measures the progressive ossification from anterolaterally to posteromedially.A Risser grade of 1 signifies up to 25 percent ossific ation of the iliac apophysis, proceeding to grade 4, which signifies 100 percent ossification (Figure 1).A Risser grade of 5 means the … Continue reading Risser sign