Pediatrics A boy presented with weakness in lower limbs, calf hyperophy, positive Gower’s sign and an elevated CPK value of 10,000. The most likely diagnosis is: A Duchenne Muscular Dystrophy B Spinal Muscular Atrophy C Myotonia congenita D Myotonic Dystrophy 💡 Explanation A boy presented with weakness in lower limbs, calf hyperophy, positive Gower's sign and an elevated CPK value of 10,000. The most likely diagnosis is: ✓ Correct Answer: A. Duchenne Muscular Dystrophy