Which of the following is not a feature of hypothyroidism ?: (A) Mental retardation, (B) Large head, (C) Calf muscle hyperophy, (D) Microcephaly
Answer is D. Hypothyroidism characterized by open and widened fontanelle results in large head and mental retardation. Reference: ghai essential of pediatrics, eighth edition, p.no:517,table 17.6