This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Development, and Behavior, Subject name: Pediatrics
What is the most probable cause of large head in this child? 
Select and explain. 
A. Osteogenesis imperfecta, B. Mucopolysaccharidosis, C. Hydrocephalus, D. Cerebral gigantism
C: Hydrocephalus
Answer: C: Hydrocephalus 
Explanation: c. HydrocephalusLarge head in an infant with venous prominences over scalp and presence of 'setting-sun sign', suggest hydrocephalus.