Surgical Anatomy

Question 1

What nerve travels with the superior thyroid artery ~15% of the time?

Answer 1

superior laryngeal nerve

Question 2

During a thyroidectomy, should the inf thyroid artery be transected as close to its origin as possible?

Answer 2

No! PT glands receieve their blood supply here, so transect it close to the thyroid gland

Question 3

What are the neck delphian nodes?

Answer 3

located just cephalad to the isthmus, over the cricothyroid membrane

Question 4

What muscle is between the subclavian vein and artery?

Answer 4

anterior scalene

Question 5

What nerve lies superficial to the anterior scalene?

Answer 5

Phrenic n (diaphragm)

Question 6

4 branches of the thyrocervical trunk?

Answer 6

inf thyroid a, ascending cervical a (can be off prev), transverse cervical a, suprascapular a

Question 7

What are the branches of the internal carotid extracranially?

Answer 7

None

Question 8

Distance from R IJ to pulmonary wedge?

Answer 8

50 +/- 5 cm

Question 9

Distance from R subclavian to pulmonary wedge?

Answer 9

45 +/- 5 cm

Question 10

Distance from L subclavian to pulmonary wedge?

Answer 10

55 +/- 5 cm

Question 11

Which mainstem bronchus is most upright?

Answer 11

R

Question 12

Direction of the external and internal obliques?

Answer 12

hands in pockets (external), hand over heart (internal)

Question 13

What are the veins of Sappey?

Answer 13

veins that drain from diaphragm into liver

Question 14

How are liver segments organized?

Answer 14

(1 on back)

7 8 4 2
6 5 4 3

Question 15

What are the segments of the liver based on?

Answer 15

Portal venous systems of liver (great for mets)

Question 16

Segment 1 aka what lobe?

Answer 16

Caudate lobe

Question 17

Segment 4 aka what lobe?

Answer 17

Quadrate lobe (#4 has 4 sides)

Question 18

What segments does the falciform ligament separate?

Answer 18

2+3 from segment 4