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
[{'content': "Posterior iliac horns are seen in – \nSelect and explain. \nA. Fisher's syndrome, B. Crouzan syndrome, C. Nail patella syndrome, D. Pierre Robbins syndrome", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nail-Patella syndrome is characterized by : \n\nSmall or absent nails \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0\nOverextension of joints\xa0\xa0\nSmall or absent patella\xa0\xa0\xa0\xa0\nPosterior iliac horns\xa0\xa0\nRenal anomalies\xa0\nSkin laxity\nHyperhidrosis', 'role': 'assistant'}]