Neck

Question 1

What is a pyramidal lobe?

Answer 1

extends superior to the isthmus

Question 2

What are the strap muscles for the thyroid?

Answer 2

• sternohyoid
• sternothyroid
• sternocleidomastoid

Question 3

What muscle is posterior to the thyroid?

Answer 3

longus colli muscle

Question 4

Where are parathyroid glands?

Answer 4

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

Question 5

What artifact does the trachea give off?

Answer 5

Reverb

Question 6

Describe the esophagus..

Answer 6

• target sign

- patient swallowing can help identify the esophagus

Question 7

What does the thyroid arterial supply come from?

Answer 7

• superior thyroid arteries: branches from ECA

- Inferior thyroid arteries: Branches from thyrocervical trunk

Question 8

What drains the blood from the thyroid?

Answer 8

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

Question 9

What glands regulate thyroid hormones?

Answer 9

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

Question 10

What is TSH?

Answer 10

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

Question 11

What are the serum thyroid hormones?

Answer 11

• T3 (thyroxine)

- T4 (Triidothyronine)

Question 12

What is the pituitary gland regulated by?

Answer 12

Hypothalmus

Question 13

Know about Nodular Thyroid Disease…

Answer 13

• very common

- cancer is determined by FNA

Question 14

What is a thyroid Adenoma?

Answer 14

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