Chap 2 - Endocrinology and Metabolism

Question 1

Galactorrhea without evidence of hCG

Answer 1

Prolactinoma - measure serum prolactin

Question 2

Classic physical exam finding in prolactinoma

Answer 2

Bitemporal hemianopia

Question 3

Decreased cortisol release sequelae

Answer 3

N/V, abdominal pain, hyponatremia, hypokalemia, hypotension in setting of infection
Treat hypotension with IV hydrocortisone

Question 4

Prolonged prednisone course without taper

Answer 4

Secondary adrenal insufficiency => hypotension => IV cortisol

Question 5

Shock picture with sellar mass

Answer 5

Pituitary tumor apoplexy => glucocorticoid administration to manage hypotension 2/2 acute ACTH depletion

Question 6

What is central hypothyroidism?

Answer 6

Pituitary does not make TRH => low TSH => cannot use TSH to measure effect of levothyroxine => must increase levothyroxine until T4 is normalized

Question 7

Hashimoto thyroiditis treatment?

Answer 7

Levothyroxine, not liothyronine (T3 analogue)

Question 8

Forms of destructive thyroiditis

Answer 8

Subacute (painful), silent, post-partum