Perthes disease, also known as Legg-Calve-Perthes disease, is a childhood condition affecting the hip. It results in the temporary loss of blood supply to the femoral head, causing it to collapse. It typically affects children between the ages of 4-10 years old. Treatment depends on the stage of the disease and the age of the patient. For younger children, rest and anti-inflammatory medications may be sufficient, while older children or more severe cases may require procedures like bracing, osteotomies or pelvic osteotomies to contain the femoral head within the acetabulum. The prognosis is generally good if treated early, but advanced cases can lead to long term stiffness, limping