The following deformity is seen in a child. What is the likely cause?
A. Tibial hemimelia
B. Fibula hemimelia
C. Congenital pseudoarthrosis of tibia
D. Congenital posteromedial angulation of tibia
Ans: C. Congenital pseudoarthrosis of tibia
(Ref: Apley’s 9/e p185)
- The image is showing anterolateral bowing of tibia, which is commonly seen in congenital pseudoarthrosis of tibia.
Congenital Pseudarthrosis of Tibia:
- Rare condition is usually diagnosed in early infancy.
- The child may be born with a fractured tibia, or the bone may be attenuated and then fracture some months later.
- Fracture fails to unite, or heals very poorly only to fracture again shortly afterwards.
- By the age of two years the leg is noticeably short and bowed anterolaterally.
- Becomes intractable condition which will not yield to ordinary forms of fracture treatment.