system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is/are X ray feature/s of perthes disease?
assistant
The correct answer is  Ans. is 'd' i.e., All the above * Radiological findings in perthe's disease arei) Increased medial joint spaceii) Widening of femoral neckiii) Lateral extrusion (lateral subluxation)iv) Metaphyseal cysts and rarefaction ofmetaphysisv) Horizontal physis with speckled calcification lateral to itvi) Fragmentation of femoral head with increased density (irregular densities in the epiphysis)