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Endocrine > thyroid cancer > Flashcards

thyroid cancer Flashcards

1
Q

ectopic thyroid tissue and/or cysts present along coarse of thyroglossal duct in the _____

A

midline

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2
Q

superior thyroid artery is the first branch of the ______

A

external carotid

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3
Q

inferior thyroid artery is a branch of the _______

A

thyrocervical trunk

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4
Q

inferior thyroid vein drains into ______

A

bracheocephalic vnein

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5
Q

superior thyroid vein drains _____of thyroid

A

superior pole

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6
Q

middle thyroid vein drains _____of thyroid

A

lateral aspect

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7
Q

does solitary nodule or multinodular goiter have a higher chance of malignancy?

A

solitary nodule

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8
Q

what is the most reliable method of dx’ing thyroid nodules/

A

fine needle aspiration biopsy

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9
Q

cold nodule on radionuclide scans indicates?

A

hypofunctioning

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10
Q

hot nodule on radionuclide scans indicates?

A

hyperfunctioning

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11
Q

is a cold or hot nodule more likely to be malignant?

A

cold nodule

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12
Q

psammoma bodies

A

papillary carcinoma

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13
Q

older patients, solitary mass, invasion into capsule, hematogenous spread

A

follicular carcinoma

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14
Q

NCCN guidelines recommend ____for follicular carcinoma

A

lobectomy

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15
Q

what test to do to determine if a hurthle cell carcinoma is malignant

A

resection

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16
Q

which type of thyroid cancer is a neuroendocrine tumor?

A

medullary thyroid cancer

17
Q

markers to monitor for medullary thyroid cancer?

A
  1. calcitonin

2. CEA

18
Q

what must you screen medullary thryoid cancer patients for b4 surgery (2)

A
  1. pheochromocytoma

2. primary hyperparathyroidism

19
Q

dyspnea, dysphagia, hoarseness, 7th-8th decade - which thyroid cancer?

A

anaplastic carcinoma

20
Q

tx of lymphoma?

A

radiation + chemo

21
Q

what can you tx a person with after complete thyroidectomy?

A

post-op radioactive iodine tx to kill residual thyroid tissue

22
Q

does lymph node removal improve survival

A

nope

23
Q

what is the most common nerve injury in thyroidectomy?

A

external branch of superior laryngeal nerve

24
Q

the most dreaded nerve injury in thyroidectomy?

A

recurrent laryngeal

25
Q

can hyper or hypocalcemia result from thyroidectomy?

A

hypocalcemia

26
Q

why can hypocalcemia occur after thyroidectomy?

A

due to devascularization of parathyroids

27
Q

when is thyroid supplementation started after thyroidectomy?

A

after radioactive iodine tx (which occurs 1-3 months post surgery)

28
Q

when to do fine needle aspiration biopsy?

A

when ultrasound shows mass >1 cm

Endocrine (31 decks)

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