A 4-month-old infant is brought with progressive head enlargement and irritability. Head circumference has crossed from the 50th percentile at birth to above the 97th percentile. Examination shows bulging anterior fontanelle and sunset sign. What is the most likely diagnosis?
A
Benign familial macrocephaly
B
Hydrocephalus causing macrocephaly
D
Microcephaly due to TORCH infection