This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Tom smith's ahritis is due to 
Select and explain. 
A. Pyogenic infection in infancy, B. TB, C. RA, D. OA
A: Pyogenic infection in infancy
Answer: A: Pyogenic infection in infancy 
Explanation: Answer- A. Pyogenic infection in infancyTom smith ahritis is the sepfic ahritis of hip joint, occurs in infancy. At this stage head of the femur is cailaginous and is rapidly and completely destroyed by the pyogenic process.