Nasopharynx

Question 1

most common site

Answer 1

fossa of rusemuller

Question 2

retropharyngeal nodes are located??

Answer 2

fossa of rosemuller

Question 3

pathway of drainage

Answer 3

retropharyngeal nodes
jugulodigastric
deep posterior cervical and jugular nodes

Question 4

most common clinical presentation

Answer 4

nasal stuffiness
decreased hearing
hearing pain

Question 5

risk factors

Answer 5

EBV
HPV
nitrosamines

Question 6

most common mets

Answer 6

bone

Question 7

common disease management

Answer 7

RT alone or with surgery

surgery is hard to get neg margins

Question 8

what important node might be included in RT fields and why

Answer 8

node of rouviere cuz it is deep and hard to surgically remove (primary retropharyngeal node)

Question 9

treatment technique?

Answer 9

IMRT

allows for doses up to 7500cGy

Question 10

treatment volumes

Answer 10

GTV
CTV = GTV + 5mm margins
PTV = ctv + 2-5mm margins

Question 11

high risk ctv dose

Answer 11

(70) 69.96gy in 2.12fx

Question 12

intermediate risk ctv dose

Answer 12

(60) 59.4 in 1.8fx

Question 13

low risk ctv dose

Answer 13

54 in 1.64fx