This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Most common cause of suprasellar enlargement with calcification in children is – 
Select and explain. 
A. Craniopharyngioma, B. Astrocytoma, C. Meningioma, D. Suprasellar tuberculoma
A: Craniopharyngioma
Answer: A: Craniopharyngioma 
Explanation: "Presence of Suprasellar midline calcification immediately suggests the diagnosis of craniopharyngioma". Craniopharyngioma is the most common cause of suprasellar calcification.