Ch. 573 - Hyperparathyroidism Flashcards Preview

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Flashcards in Ch. 573 - Hyperparathyroidism Deck (17)
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1
Q

Hyperparathyroidism: Caused by excessive production of PTH from defect in the parathyroid gland such an adenoma or hyperplasia

A

Primary Hyperparathyroidism

2
Q

Hyperparathyroidism: Increased PTH as a compensatory mechanism, usually aimed at correcting hypocalcemic states of diverse origins

A

Secondary Hyperparathyroidism

3
Q

Childhood hyperparathyroidism is rare and is usually the result of ___ and becomes manifest after ___

A

A single benign adenoma, 10 y/o

4
Q

Hyperparathyroidism: May occur as part of syndromes

A

MEN I and Hyperparathyroidism-jaw tumor syndrome

5
Q

Components of MEN I

A

Neoplasia of the endocrine pancreas, anterior pituitary, and parathyroid glands

6
Q

Parathyroid adenomas + fibro-osseous jaw tumors

A

Hyperparathyroidism-jaw tumor syndrome

7
Q

T/F Transient neonatal hyperparathyroidism can occur in infants born to mothers with hypoparathyroidism

A

T

8
Q

Transient neonatal hyperparathyroidism can occur in infants born to mothers with pseudohypoparathyroidism (chronic hypocalcemia)

A

T, results in hyperplasia of the fetal parathyroid glands

9
Q

Hyperparathyroidism: Serum calcium

A

Elevated

10
Q

Hyperparathyroidism: Serum phos

A

Low

11
Q

Hyperparathyroidism: Serum Mg

A

Low

12
Q

Hyperparathyroidism: Calcitonin

A

Normal

13
Q

Hyperparathyroidism: Most consistent radiographic finding

A

Resorption of subperiosteal bone best seen along margins of phalanges of hands

14
Q

Primary Hyperparathyroidism: Serum phos

A

Low

15
Q

Primary Hyperparathyroidism: Serum Ca

A

High

16
Q

T/F Surgical exploration is indicated in ALL instances of Hyperparathyroidism

A

T

17
Q

T/F Most neonates with severe hypercalcemia require total parathyroidectomy

A

T