This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bone Tumour, Subject name: Orthopaedics
Tom smith septic arthritis affects? 
Select and explain. 
A. Neck of infants, B. Hip joint of infants, C. Elbow joint of children, D. Shoulder joint in children
B: Hip joint of infants
Answer: B: Hip joint of infants 
Explanation: Ans. b. Hip joint of infantsSeptic arthritis in infancy is known as tom smith arthritis.Tom smith arthritis is a septic arthritis of the hip joint seen in infants.The onset is acute with rapid abscess formation, which may burst out or be incised and heals rapidly. Telescopy test is positive.Clinically, this condition closely resembles a congenital dislocation of the hip (CDH).