A 13-year-old boy with obesity has 3 weeks of dull left knee pain and limp. Hip examination shows limited internal rotation and obligate external

Question

A 13-year-old boy with obesity has 3 weeks of dull left knee pain and limp. Hip examination shows limited internal rotation and obligate external rotation with flexion. Knee examination is normal. Which of the following is the most likely diagnosis?

Accepted Answer

Slipped capital femoral epiphysis

Answer

Transient synovitis

Answer

Septic arthritis of the knee

Answer

Osgood-Schlatter disease

Answer

Patellar tendon rupture

Slipped capital femoral epiphysis — USMLE Step 3 MCQ

A 13-year-old boy with obesity has 3 weeks of dull left knee pain and limp. Hip examination shows limited internal rotation and obligate external rotation with flexion. Knee examination is normal. Which of the following is the most likely diagnosis?