Hypothalamic and Pituitary Imaging

Question 1

The standard imagining for hypothalamic and pituitary disorders is ____________.

Answer 1

MRI

Question 2

In coronal sections, the hypophysis is just superior to __________.

Answer 2

the sphenoid sinus

Question 3

The adenohypophysis appears __________ on contrast-enhanced MRIs.

Answer 3

whiter and brighter

Question 4

Pituitary hyperplasia can occur during ______________.

Answer 4

puberty or pregnancy

Question 5

Microadenomas have what appearance on MRI?

Answer 5

Asymmetric and hypoenhancing

Question 6

What is the size limit that divides micro- and macroadenomas?

Answer 6

1 cm

Question 7

What CNS tumor often calcifies?

Answer 7

Craniopharyngioma adamantinomatous

Question 8

There are two types of craniopharyngioma. Which age group is each more common in?

Answer 8

Kids: adamantinomatous
Adults: papillary

Question 9

____________ tissue should never enhance.

Answer 9

Hamartomatous (because it is mature)

Question 10

Which part of the pituitary is brighter on T1?

Answer 10

The posterior