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
Stippled calcification on X-ray is seen in 
Select and explain. 
A. Lymphoma, B. Wilm's tumor, C. Pheochromocytoma, D. Neuroblastoma
D: Neuroblastoma
Answer: D: Neuroblastoma 
Explanation: Neuroblastoma is usually discovered as a mass or multiple masses on plain radiography, CT, or MRI. The mass often contains stippled calcification and hemorrhage that can be appreciated on plain radiography or CT. Reference: Nelson; Neuroblastoma; Page no: 2463