<prompt> Which of the following isare X ray features of pehes disease?Increased medial joint spaceMetaphyseal cysts and rarefactionLateral extrusion of femur headAll the above  <response>: Answer- D. All the aboveRadiological findings in pehes disease are :-Increased meilial joint spaceWidening offemoral neckLateral extrusion lateral subluxationMetaphyseal cysts and rarefaction of metaphysisHorizontal physis with speckled calcification lateral to itFragmentation of femoral head with increased density irregular densities in the epiphysis 