Hypothalamic and Pituitary Imaging Flashcards
The standard imagining for hypothalamic and pituitary disorders is ____________.
MRI
In coronal sections, the hypophysis is just superior to __________.
the sphenoid sinus
The adenohypophysis appears __________ on contrast-enhanced MRIs.
whiter and brighter
Pituitary hyperplasia can occur during ______________.
puberty or pregnancy
Microadenomas have what appearance on MRI?
Asymmetric and hypoenhancing
What is the size limit that divides micro- and macroadenomas?
1 cm
What CNS tumor often calcifies?
Craniopharyngioma adamantinomatous
There are two types of craniopharyngioma. Which age group is each more common in?
Kids: adamantinomatous
Adults: papillary
____________ tissue should never enhance.
Hamartomatous (because it is mature)
Which part of the pituitary is brighter on T1?
The posterior