<prompt> Tom Smith Arthritis -Pyogenic Infection of infancyTBRheumatoid arthritis in childrenOsteoarthritis in Middle aged men  <response>: Ans. is a i.e., Pyogenic infection of infancy o Tom smith arthritis is the septic arthritis of hip joint, occurs in infancy. At this stage head of the femur is cartilaginous and is rapidly and completely destroyed by the pyogenic process.o Has been explained in previous sessions. 