A 4-year-old boy presents with a several-day history of limping and right knee pain after an upper respiratory infection. He is afebrile, able to bear...

Question

A 4-year-old boy presents with a several-day history of limping and right knee pain after an upper respiratory infection. He is afebrile, able to bear weight with mild discomfort, and has full range of motion with mild effusion. Laboratory tests show normal white cell count and CRP. According to Canadian paediatric musculoskeletal guidance, what is the most likely diagnosis?

Accepted Answer

Transient synovitis

Answer

Septic arthritis

Answer

Osteosarcoma

Answer

Slipped capital femoral epiphysis

Answer

Juvenile idiopathic arthritis

ca-mccqe1 MCQ (SBA): Transient synovitis