Nikolas
Created page with "<section begin="orthopaedics" />* Legg-Calve-Perthes disease = Perthes disease = idiopathic avascular necrosis of the femoral head * Epidemiology ** 3 – 16 years ** Boys > girls * Etiology: Idiopathic by definition * Pathomechanism ** The femoral epiphysis grows quickly and is therefore highly dependent on adequate blood supply ** Inadequate blood supply can be due to compression of the arteries (for example from transient coxitis) * Clinical features ** Usually unilat..."