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Flashcards in Neck Deck (14):
1

What is a pyramidal lobe?

extends superior to the isthmus

2

What are the strap muscles for the thyroid?

- sternohyoid
- sternothyroid
- sternocleidomastoid

3

What muscle is posterior to the thyroid?

longus colli muscle

4

Where are parathyroid glands?

posterior aspect of the thyroid, typically not visualized due to small size

5

What artifact does the trachea give off?

Reverb

6

Describe the esophagus..

- target sign
- patient swallowing can help identify the esophagus

7

What does the thyroid arterial supply come from?

- superior thyroid arteries: branches from ECA
- Inferior thyroid arteries: Branches from thyrocervical trunk

8

What drains the blood from the thyroid?

- Internal jugular vein via the superior and middle thyroid veins and into the innominate veins via the inferior thyroid veins

9

What glands regulate thyroid hormones?

- thyroid (T3 and T4)
- Pituitary (Thyroid-stimulating hormone TSH)
- Hypothalmus (Thyrotropin- releasing hormone TRH)

10

What is TSH?

produced by pituitary to stimulate the thyroid to produce thyroid hormones
- increase in TSH indication for hypothyroidism (Normal levels: 0.3 - 3.0)

11

What are the serum thyroid hormones?

- T3 (thyroxine)
- T4 (Triidothyronine)

12

What is the pituitary gland regulated by?

Hypothalmus

13

Know about Nodular Thyroid Disease...

- very common
- cancer is determined by FNA

14

What is a thyroid Adenoma?

- follicular adenomas are most commonly encountered benign thyroid nodule
- solitary, encapsulated, spherical