Parathyroid Gland Flashcards Preview

Anatomy (TOPNOTCH SUPPLEMENT) > Parathyroid Gland > Flashcards

Flashcards in Parathyroid Gland Deck (6)
Loading flashcards...
0

Yellow brown

2x3x5mm size

Weighs 40g

Usually 4 in number but up to 7 glands are possible

Parathyroid gland

1

Location: POSTERIOR SURFACE OF THE UPPER LOBES OF THROID NEAR THE INFERIOR THYROID ARTERY

Superior parathyroid glands

2

Location: MORE VARIABLE, USUALLY ON LATERAL SURFACE OF LOWER THYROID LOBES

Inferior parathyroid glands

3

Arterial blood supply

Inferior thyroid artery (supplies both superior & inferior parathyroid glands)

4

Autonomous secretion of PTH by glandular hyperplasia, adenoma or CA

Persistent hypercalcemia

Treatment: Surgery (90% cure)

Primary hyperparathyroidism

5

Usually during thyroidectomy when it's blood supply from the inferior thyroid artery is disrupted

Injury to the parathyroid glands