Pathoma: Parathyroid Flashcards
1
Q
Which cells secrete PTH?
A
Chief cells
2
Q
Where does PTH act?
A
Bone, small bowel, kidney
3
Q
What decreases PTH?
A
Vit D and increased Calcium
4
Q
Causes of hyperparathyroidism?
A
Parathyroid adenoma
Sporadic parathyroid hyperplasia
Parathyroid carcinoma
5
Q
What presents with:
“kidney stones, CNS disturbances, constipation, peptic ulcers, osteitis fibrosa cystica”
A
parathyroid adenoma (primary hyperparathyroidism)
6
Q
Most common cause of secondary hyperparathyroidism?
A
chronic renal failure
7
Q
Which hyperparathyroidism has low calcium?
A
secondary
8
Q
“end organ resistance to PTH”
A
Psuedohypoparathyroidism
