H&N CA Flashcards Preview

Dosimetry > H&N CA > Flashcards

Flashcards in H&N CA Deck (19):
1

h&n most common met site

lungs

2

pharyngeal ca mets most common site

lung

3

oropharyngeal ca most common location

tonsil

4

nasopharyngeal ca tx flds sup border

2 cm beyond tissue

5

waldeyer's ring includes what structures

-tonsils
-adenoids
-bot

6

parotid CA xrt and & inf borders

-2.5 cm to EAM OR 3/4 inch inf & ant to EAM

7

H&N mets greater with which CA

-nasopharynx
-hypopharynx

8

hypopharynx is located between what vertebrae

tip of epiglottis @ C3 to cricoid cartilage @ C6

9

hypopharyngeal CA XRT inf border

cricoid cartilage

10

hypopharyngeal CA XRT sup border

include base of skull

11

hypopharyngeal CA XRT post border

behind spinous process

12

hypopharyngeal CA XRT ant border

flash skin at level of thyroid cartilage

13

hypopharyngeal CA XRT field arrangement

lat fields

14

hypopharyngeal CA dose for large fields

45 Gy

15

hypopharyngeal CA dose for small fields

65-70 or 75 Gy

16

nasopharyngeal CA XRT post border

2 cm margin beyod mastoid tip process

17

nasopharyngeal CA XRT ant border

post 1/3 of max/nasal sinus

18

nasopharyngeal CA XRT inf border

thyroid notch

19

nasopharyngeal CA XRT dose

lats & sclv to 65 Gy