Question

A 5-year-old boy presents with a limp and low-grade fever. Examination reveals reduced internal rotation of the right hip and pain on movement. He recently had an upper respiratory infection. Plain X-ray is normal. Inflammatory markers are mildly elevated. What is the most likely diagnosis?

Accepted Answer

Transient synovitis of the hip

Answer

Septic arthritis of the hip

Answer

Slipped upper femoral epiphysis

Answer

Perthes disease

Answer

Juvenile idiopathic arthritis

Practice question

A 5-year-old boy presents with a limp and low-grade fever. Examination reveals reduced internal rotation of the right hip and pain on movement. He recently had an upper respiratory infection. Plain X-ray is normal. Inflammatory markers are mildly elevated. What is the most likely diagnosis?