This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Orthopaedics
Blount Disease is involvement of 
Select and explain. 
A. Proximal tibia, B. Distal tibia, C. Proximal femur, D. Distal femur
A: Proximal tibia
Answer: A: Proximal tibia 
Explanation: Blount's disease is a progressive bow-leg deformity associated with abnormal growth of posterior-medial pa of proximal tibia. Ithas a triad: Internal Rotation of leg Tibia vara Hyperextension of the knee