Question 34

4 year old boy bought in to emergency department by his mother with concern about his gait. He has been limping on left side for about 2 week and complaining on and off pain in his left knee. On examination, he is afebrile and well looking child. No tenderness on knee and ankle.He has full ROM in knee and ankle, but has pain and reduced ROM in left hip. What would be the most likely diagnose?

1. Septic arthritis in hip
2. Perthes' disease
3. Irritable hip joint
4. Toddler's fracture
5. He has nothing, but he is just trying to seek attention.