A 7-year-old boy presents with a 6-week history of limp, intermittent knee swelling, and morning stiffness lasting 45 minutes. There is no trauma hist...

Question

A 7-year-old boy presents with a 6-week history of limp, intermittent knee swelling, and morning stiffness lasting 45 minutes. There is no trauma history. Examination shows a warm, swollen right knee and limited range of motion. Inflammatory markers are mildly elevated. What is the most likely diagnosis?

Accepted Answer

Juvenile idiopathic arthritis

Answer

Transient synovitis

Answer

Slipped capital femoral epiphysis

Answer

Osteosarcoma

Answer

Septic arthritis

ca-mccqe1 MCQ (SBA): Juvenile idiopathic arthritis