Quiz 3 Pituitary

Question 1

1 cause of hyperpituitarism?

Answer 1

adenoma in ant lobe

Question 2

most common functional adenoma in pituitary?

Answer 2

prolactinoma

Question 3

most common type of pituitary adenoma?

Answer 3

microadenoma

Question 4

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

Answer 4

pituitary adenoma histology

Question 5

sudden hemorrhage into an adenoma?

Answer 5

pituitary apopley

Question 6

postpartum hypopituitarism due to hem and necrosis?

Answer 6

Sheehan’s syndrome

Question 7

CSF with no visible pituitary tissue on MRI?

Answer 7

Empty sella syndrome

Question 8

2 most common hypothalamic suppressor tumors?

Answer 8

gliomas and craniopharyngiomas

Question 9

oily substance on surface of tumors and in hist findings?

Answer 9

craniopharyngiomas

Question 10

What CA commonly METS to brain?

Answer 10

breast and lung

Question 11

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

Answer 11

• sellar expansion
• boney erosion
• disruption of the sella

lead to bitemporal hemianopsia

Question 12

hist of craniopharyngioma

Answer 12

• oily gross and hist

- palisading cells, wet keratinization (waterfall), lemellar (conch) arrangement

Question 13

what cell increase causes pitituary to grow in pregnancy

Answer 13

galactotrophic

Question 14

What are suprasellar tumors a remnant of?

Answer 14

Rathke

Question 15

what are more common microadenoma or macro?

Answer 15

micro and they are benign

macro are more likely to cause mass effect or secrete hormones