Suprasellar cystic mass in children is –
Medulloblastoma
Craniopharyngioma
Meningioma
Secondaries
Craniopharyngjoma 

Craniophyngioma is the most common supratentorial tumor in children.
It is a suprasellar tumor which presents as cystic mass.
It arises from squamous epithelial cells crests of embryonic rathke's pouch.

Clinical presentation of craniopharyngioma
In children they present as --> visual loss, growth failure, Bitemporal hemianopsia
In adults they present as —> visual loss & endocrine dysfunction (D'1, delayed puberty)..