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Flashcards in thyroid Deck (10)
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1
Q

thyroid cancer risk factors

A

radiation as a child

rapid growth of a nodule

horseness (acting like a horse)

vocal cord paralysis

dysphagia

fhx

2
Q

when to biopsy high risk patient

A

any nodule larger than 5 mm

3
Q

when to biopsy in general

A

big cervical nodes

microcalcifications

solid hypoechoic nodules > 1-1.5 cm

mixed cystic-solid nodules that >1.5-2 cm if
irregular
microcalcifications
infiltration of surrounding tissue

mixed cystic-solid nodules w/o suspicious US >2cm

spongiform echotexture >2cm

(pure cystic do not get biopsy)

4
Q

if cancer what do you do

A

cut that thyroid out

5
Q

if not cancer what do you do

A

monitor every year with US and TSH

if symptomatic cut that thyroid out

6
Q

order of prevalence of thyroid cancer

A

papillary
follicular
medullary
anaplastic

7
Q

most common causes of hyper thyroid

A

graves

toxic multinodular goiter

toxic adenoma

most common cause is thyroiditis

8
Q

anti thyroid meds

A

methimazole

propylthiouracil

9
Q

most common cause of hyper t in the us

A

graves number 1

toxic multinodular goiter number 2

10
Q

low tsh, high t 3 and 4 with low RAIU

A

thyroiditis

ectopic thyroid hormone

exogenous thyroid hormone