This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Ohopedics, Subject name: Orthopaedics
Which statement is false about given condition ? 
Select and explain. 
A. It is Haglund's deformity ., B. 50% are bilateral ., C. Associated with Turner's syndrome ., D. Has excellent functions .
A: It is Haglund's deformity .
Answer: A: It is Haglund's deformity . 
Explanation: The given deformity is Madelung deformity . Madelung deformity Defect in the palmar and ulnar aspect of lower radius . Prominent ulnar head . 50% are bilateral . More common in females . Associated with Turner syndrome. Has excellent functions . Haglund's deformity Prominent calcaneal tuberosity + an overlying bursitis Tx: Plan A: Rest+NSAID's-steroids-Surgery