Thyroid Nodules

Question 1

Most thyroid nodules are benign/malignant

Answer 1

benign

Question 2

Most common cause of thyroid nodules…

Answer 2

Hashimotos

Question 3

4 types of thyroid CA…

Answer 3

Papillary (most common and most curable), Follicular (similar to papillary), Medullary (increase calcitonin), Aplastic (lethal/terminal, most rare)

Question 4

Malignant thyroid nodules have what 4 characteristics?

Answer 4

Solitary, hard, irregular, fixed (“SHIF” i have thyroid CA!)

Question 5

4 risk factors for thyroid CA…

Answer 5

radiation exposure as a child
rapid growth of nodule
hoarseness, dysphagia, paralysis of vocal cords
FHx of thyroid CA

Question 6

Bx a thyroid nodule if it is ____, ____, or there is ____

Answer 6

> or = 1-1.5 cm, > 0.5 cm w/ suspicious findings, cervical lymphadenopathy

Question 7

Tx cancerous thyroid nodules w/…

Answer 7

thyroidectomy

Question 8

RAIU only if TSH is high/normal/low

Answer 8

low TSH

Question 9

RAIU: hot = ____, warm = _____, cold = ____

Answer 9

hot = rarely CA
warm = some iodine uptake
cold= no uptake

Question 10

Benign nodules should be monitored how often in what two ways?

Answer 10

annually with US and TSH