This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Childhood tumors, Subject name: Pediatrics
The most common malignant neoplasm of infancy is 
Select and explain. 
A. Malignant teratoma, B. Neuroblastoma, C. Wilms' tumor, D. Hepatoblastoma
B: Neuroblastoma
Answer: B: Neuroblastoma 
Explanation: Neuroblastoma is the most common extracranial and intra- abdominal solid malignant tumor of infancy.It is a disease of early childhood with approximately 90% of patients presenting before 5 years of age & almost 50% within the first 2 years of life. Reference:Essential pediatrics-Ghai,8th edition,page no:616.