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Endo Week 2 > Thyroid Bumps > Flashcards

Thyroid Bumps Flashcards

1
Q

what two types of MEN are associated with thyroid cancer?

A

MEN 2a and 2b

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2
Q

if you have a thyroid nodule and the TSH is low, what should you order?

A

radioiodine scan

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3
Q

what will a radioiodine scan show with a nodule?

A

may show a hot nodule and this makes it less likely for malignancy to be the cause of the nodule

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4
Q

what is the benign neoplasm of the thyroid?

A

follicular adenoma

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5
Q

name the four malignant neoplasms of the thyroid

A

papillary carcinoma
follicular carcinoma
medullary carcinoma
anaplastic carcinoma

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6
Q

what thyroid neoplasm comes from the parafolliular or C cells?

A

medullary carcinoma

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7
Q

what is the most common thyroid malignancy?

A

papillary thyroid carcinma

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8
Q

how do papillary thyroid carcinomas spread?

A

lymphatic invasion…lymph node involvement is common

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9
Q

what are the two subtypes of follicular thyroid carcinoma

/

A

encapsulated and widely invasive

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10
Q

which is worse, encapsulated or widely invasive follicular thyroid carcinoma?

A

widely invasive is much worse

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11
Q

what are treatment options for papillary thyroid carcinoma and follicular thyroid carcinoma?

A

surgery first line then radioiodine

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12
Q

how does follicular thyroid carcinoma spread?

A

usually spreads via blood

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13
Q

post op for papillary/follicular thyroid carcinoma, do you want to maintain low or high TSH levels?

A

low so that you are not stimulating any growth of thyroid tissue

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14
Q

how do you keep TSH levels low?

A

give extra thyroid hormone replacement

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15
Q

what do you use to follow recurence of papillary or follicular thyroid carcinoma? what should it be?

A

thyroglobulin…low means good

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16
Q

what cells do medullary thyroid cancer come from/

A

from the C cells/parafollicular cells

17
Q

what type of tumor is medullary thyroid cancer?

A

neuroendocrine

18
Q

what is rx for medullary thyroid cancer?

A

total thyroidectomy

19
Q

what do you follow medullary thyroid cancer with post op?

A

calcitonin levels…should be low

20
Q

what is most deadly thyroid cancer?

A

anaplastic thyroid carcinoma

21
Q

what is least common thyroid cancer

A

anaplastic thyroid carcinoma

22
Q

how do patients with anaplastic thyroid carcinoma usually die?

A

from strangulation

23
Q

non toxic multinodular goiter means what?

A

patient has a bunch of nodules that give goiter appearance but all TSH levels and thyroid hormones are normal

24
Q

if TSH is low and you have multinodules in the thyroid, is it toxic or non toxic?

A

toxic

25
Q

when should a goiter be treated?

A

if it is giving compressive symptoms

26
Q

what are some compressive symptoms of a goiter?

A 
choking
dysphagia
hoarseness
facial edema
dyspnea

Endo Week 2 (8 decks)

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