Endocrine Path Quiz 3- part 1 Flashcards Preview

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Flashcards in Endocrine Path Quiz 3- part 1 Deck (12):
1

the most common cause of hyperpituitarism is

an adenoma arising in the anterior lobe (pituitary adenoma)

2

________ accounts for about 15% of all intracranial neoplasms

pituitary adenoma

3

majority of pituitary adenomas are incidentally diagnosed microadenomas, aka _______

incidentaloma

4

microscopic view of a pituitary adenoma reveals

small round cells that are identical in appearance
cells may be arranged in nests or cords
prominent vascularity

5

most frequent type of functioning pituitary adenoma is

prolactinoma

6

acute hemorrhage of an adenoma is termed

pituitary apoplexy

7

necrosis of the pituitary gland due to hemorrhage and hypovolemic shock during peri-partum period is termed

Sheehan's syndrome

8

is the posterior pituitary affected in Sheehan's syndrome?

not usually due to it's direct blood supply

9

most common (but rare) hypothalamic suprasellar tumor is

craniopharyngioma

10

Craniopharyngioma has a ______ distribution

bimodal age
one peak in childhood, second peak in adults > 65

11

microscopically craniopharyngioma reveals

palisading cells “waterfall configuration”
lamellar quality (stacked), wet keratinization - smooth and non-cellular area

12

METS to the brain is more common than primary brain cancer. What are the two most common sources of cancer that METS to the pituitary?

*breast and lung
also prostate and melanoma