Parathyroid Gland Flashcards
0
Q
Location: POSTERIOR SURFACE OF THE UPPER LOBES OF THROID NEAR THE INFERIOR THYROID ARTERY
A
Superior parathyroid glands
1
Q
Yellow brown
2x3x5mm size
Weighs 40g
Usually 4 in number but up to 7 glands are possible
A
Parathyroid gland
2
Q
Location: MORE VARIABLE, USUALLY ON LATERAL SURFACE OF LOWER THYROID LOBES
A
Inferior parathyroid glands
3
Q
Arterial blood supply
A
Inferior thyroid artery (supplies both superior & inferior parathyroid glands)
4
Q
Autonomous secretion of PTH by glandular hyperplasia, adenoma or CA
Persistent hypercalcemia
Treatment: Surgery (90% cure)
A
Primary hyperparathyroidism
5
Q
Usually during thyroidectomy when it’s blood supply from the inferior thyroid artery is disrupted
A
Injury to the parathyroid glands
