pathology of pituitary Flashcards
1
Q
where are pituitary adenomas derived from?
A
cells of anterior pituitary gland
2
Q
what causes pituitary adenoma?
A
- can be sporadic
- also associated with MEN1
3
Q
what is a micro-adenoma?
A
pituitary adenoma <1cm
4
Q
what is a macro adenoma?
A
pituitary adenoma >1cm
5
Q
how do you classify pituitary adenomas?
A
-classed by cell type/hormone produced e.g. prolactinoma
6
Q
what can large adenomas cause?
A
-visual field defects due to pressing on the optic chiasma
7
Q
is pituitary hypofunction common in anterior lobe?
A
no
8
Q
where is craniopharyngioma derived from?
A
Rathke’s pouch
9
Q
where do adrenal glands sit?
A
-superior and medial to upper pole of kidneys
10
Q
what are adrenal glands composed of?
A
-an outer cortex and central medulla
11
Q
what are the three layers the adrenal gland is split into?
A
- zona glomerulosa
- zona fasciculata
- zona reticularis
