This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pediatrics
Commonest location for Craniopharyngioma is 
Select and explain. 
A. Intrasellar, B. Suprasellar, C. Intraventricular, D. Intracerebral
B: Suprasellar
Answer: B: Suprasellar 
Explanation: Commonest site of craniopharyngioma is Supra sellar region . Craniopharyngiomas are primarily suprasellar tumors (75%) while a small intrasellar component is present in 20-25% of cases . Purely intrasellar location is quite uncommon (<5%), and may be associated with the expansion of the pituitary fossa . Larger tumors can extend in all directions, frequently distoing the <a href=" chiasm</a> or compressing the . Occasionally, craniopharyngiomas appear as intraventricular, homogeneous, soft-tissue masses without calcification (papillary subtype). The third ventricle is a paicularly common location. Reference: GHAI Essential pediatrics, 8th edition