This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
Triangular facies is indicative of? 
Select and explain. 
A. Russell Silver syndrome, B. Mobius syndrome, C. Soto syndrome, D. Nephrotic syndrome
A: Russell Silver syndrome
Answer: A: Russell Silver syndrome 
Explanation: a. Russel Silver syndrome(Ref: Nelson's 20/e p 625, 2875)In Russell silver syndrome, short stature, triangular face (small jaw & pointed chin), & limb anomalies are seen;It is an example of genomic imprinting disorder involving chromosome 11; Triangular facies is also seen in Alagille syndrome,