Imaging in Hypothalamo–Pituitary Disease (2) Cranium Normal Skull (Rad) Normal Pituitary (MRI) Normal Sella (MRI) Normal Sella (CT) Normal Sella – Anatomic Variant (MRI) Enlarged Sella (Rad) Empty Sella (CT) Fossa in Hypopituitarism (Rad) Partially Empty Fossa (MRI/CT) Adenomas Microadenoma (CT/MRI) Microadenoma (Displaced Infundibulum) (MRI/CT) Microadenoma (Enhancing) (MRI) Macroadenoma (MRI) Macroadenoma (CT) Macroadenoma (Cystic) (MRI/CT) Macroadenoma (Extrasellar Extension) (MRI/CT) Pituitary Apoplexy (MRI)