Hypothalamic and Pituitary Imaging Flashcards

1
Q

The standard imagining for hypothalamic and pituitary disorders is ____________.

A

MRI

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2
Q

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

A

the sphenoid sinus

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3
Q

The adenohypophysis appears __________ on contrast-enhanced MRIs.

A

whiter and brighter

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4
Q

Pituitary hyperplasia can occur during ______________.

A

puberty or pregnancy

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5
Q

Microadenomas have what appearance on MRI?

A

Asymmetric and hypoenhancing

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6
Q

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

A

1 cm

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7
Q

What CNS tumor often calcifies?

A

Craniopharyngioma adamantinomatous

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8
Q

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

A

Kids: adamantinomatous
Adults: papillary

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9
Q

____________ tissue should never enhance.

A

Hamartomatous (because it is mature)

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10
Q

Which part of the pituitary is brighter on T1?

A

The posterior

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