Child with Hormonal Abnormalities: Question 1

View the images below and answer the questions that follow.

Findings:

• Low signal sella-suprasellar mass on T1WI and T2WI with peripheral enhancement
• Relation to pituitary gland in question

Question #1:
Based on the findings above, the most likely diagnosis is:

a) Pituitary adenoma
b) Germinoma
c) Lymphoma
d) Astrocytoma
e) Craniopharyngioma

See answer and continue to question #2.