This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Posterior iliac horns are seen in - 
Select and explain. 
A. Fisher's syndrome, B. Crouzan syndrome, C. Nail patella syndrome, D. Pierre Robbins syndrome
C: Nail patella syndrome
Answer: C: Nail patella syndrome 
Explanation: Ans is 'c' i.e., Nail-patella syndrome Nail Patella syndrome is characterized by : o Small or absent nails o Small or absent patella o Posterior iliac horns o Renal anomalies Overextension ofjoints o Skin laxity o Hyperhydrosis