Quiz 3 Pituitary Flashcards Preview

Path IV Quizzes > Quiz 3 Pituitary > Flashcards

Flashcards in Quiz 3 Pituitary Deck (15):
1

#1 cause of hyperpituitarism?

adenoma in ant lobe

2

most common functional adenoma in pituitary?

prolactinoma

3

most common type of pituitary adenoma?

microadenoma

4

small round cells with uniformly round nuclei, pink to blue cytoplasm, nests or cords?

pituitary adenoma histology

5

sudden hemorrhage into an adenoma?

pituitary apopley

6

postpartum hypopituitarism due to hem and necrosis?

Sheehan's syndrome

7

CSF with no visible pituitary tissue on MRI?

Empty sella syndrome

8

2 most common hypothalamic suppressor tumors?

gliomas and craniopharyngiomas

9

oily substance on surface of tumors and in hist findings?

craniopharyngiomas

10

What CA commonly METS to brain?

breast and lung

11

what are the three types of local mass effect? what do they lead to?

- sellar expansion
- boney erosion
- disruption of the sella

lead to bitemporal hemianopsia

12

hist of craniopharyngioma

- oily gross and hist
- palisading cells, wet keratinization (waterfall), lemellar (conch) arrangement

13

what cell increase causes pitituary to grow in pregnancy

galactotrophic

14

What are suprasellar tumors a remnant of?

Rathke

15

what are more common microadenoma or macro?

micro and they are benign
macro are more likely to cause mass effect or secrete hormones