This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Orthopedics, Subject name: Orthopaedics
Which of the following is a characteristic feature of Blount's disease? 
Select and explain. 
A. Genu valgum, B. Genu varum, C. Coxa vara, D. Coxa valga
B: Genu varum
Answer: B: Genu varum 
Explanation: Ans. B. Genu varumBLOUNT'S DISEASEa. It is named after Walter Putnam Blountb. It is also known as: Tibia vara, Mau-Nilsonne Syndrome, Blount-Barber syndrome, Erlacher-Blount syndrome, Osteochondrosis deformans tibiaec. It is a growth disorder of the tibia resulting in progressive bow leg deformityd. It is also associated with internal tibial torsion and genu recurvatume. It is mainly seen in children and adolescentsf. Treatment is by bracing and/or surgery