Perthes disease affects the child commonly between: (AIIMS May 2011)
|A||1 to 4 years of age|
|B||4 to 8 years of age|
|C||10 to 15 years of age|
|D||< 1 year|
4 to 8 years of age
a. Parthes' disease (coxa plana, pseudocoxalgia): is an osteochondritis of the epiphysis of the femoral head.
b. The disease occurs commonly in boys in the area group of 5-10 years. The child presents with a pain in the hip, often radiating to the knee.