Pituitary and Hypothalamic Imaging

Question 1

Adenohypophysis (anterior): lies within the sella turcica, which evaginates inferiorly into the
________ sinus. The adenohypophisis normally enhances (no blood brain barrier). and has a ____ T2 signal.

Answer 1

sphenoid,

Low

Question 2

Neurohypophysis is a ____ signal on T1 images which is related to ______, and not ______.

Answer 2

bright,
secretory neuropeptides,
fat

Question 3

Mammillary Bodies are inferior “bumps” that mark the posterior floor of the ______ and
receive incoming fibers from the _____.

Answer 3

hypothalamus,

fornix

Question 4

________ lies at the inferior floor of the hypothalamus, posterior to the infundibulum and
anterior to the mammillary bodies. It is one of two common sites of hypothalamic hamartomas

Answer 4

Tuber cinereous

Question 5

With Sagittal Post Contrast T1 Pituitary MRI Anatomy:

Adenohypophysis is Avidly enhancing with _____enhancing less

Answer 5

adenomas

Question 6

Infundibulum normally _____ with contrast

Answer 6

enhances