Chapter 31 WS

Question 1

list 5 sites of distant mets of head and neck cancers

Answer 1

lungs
mediastinal lymph nodes
liver
brain
bone

Question 2

which distant mets site is most common

Answer 2

lungs

Question 3

define cancerization

Answer 3

refers to the higher risk of formation of a secondary primary tumor in the same anatomic field of a previous treatment.

Question 4

The middle part of the pharynx that includes the back of the mouth, the base of tongue, and the tonsils are located in what region of the pharynx.

Answer 4

oropharynx

Question 5

the vertebral body associated with the larynx (beginning and end)

Answer 5

C3/4 - C6

Question 6

the vertebral body associated with the cricoid cartilage

Answer 6

C6

Question 7

the vertebral body associated with the first prominent spinous process in the posterior neck

Answer 7

C7

Question 8

the vertebral body associated with the true vocal cords

Answer 8

C4

Question 9

the vertebral body associated with the epiglottis

Answer 9

C3

Question 10

the vertebral body associated with the thyroid cartilage

Answer 10

C4

Question 11

what is another name for the jugulodigastic lymph node

Answer 11

subdigastic node

Question 12

what is another name for the node of rouviere

Answer 12

lateral retropharyngeal node

Question 13

what is another name for the posterior cervical lymph node chain

Answer 13

spinal accessory chain

Question 14

what is another name for the retroauricular node

Answer 14

mastoid node

Question 15

What is the histologic type of most head and neck cancers.

Answer 15

SCC

Question 16

where is the first site of distant spread via blood for nasopharyngeal cancer

Answer 16

bone

Question 17

what is hyperfractionation

Answer 17

Delivering smaller doses per fraction than the conventional dose, but delivered 2-3 times a day, to achieve a higher total dose in the same amount of time.

At our clinical sites you will often see patients treated BID (twice a day). Time between treatments must be at least 6 hours.

Question 18

what is the purpose of a mouth stent/tongue blade (aka bite block)

Answer 18

Separate or displace the palate, sparing it from treatment.

Also may serve to depress the tongue to either place it within the treatment field or to displace it from the treatment field.

Question 19

is the base of tongue and the soft palate considered part of the oral cavity

Answer 19

No, they are located in the Oropharynx. (the anterior 2/3 of tongue and the hard palate are in the oral cavity

Question 20

list the three regions of the pharynx

Answer 20

oropharynx
nasopharynx
hypopharynx