Field Borders

Question 1

The nasopharynx superior, ant, inf, lat

Answer 1

base of skull, nasal cavity, soft palate, eustachian tubes

Question 2

The nasopharynx borders, post, sup, inf, lat,

Answer 2

Clivius, c1/c2, soft palate, laryn- giopharynx, pharyngeal wall

Question 3

The oropharynx borders anterior, post

Answer 3

tonsillar pillar, c2-c3

Question 4

hypopharynx borders superior, inf, lat, ant

Answer 4

hyoid bone, esophagus, pyriform sinus, cricoid

Question 5

The oropharynx contains

Answer 5

tonsilar fossa and pillars, soft palate, base of tongue, pharyn- geal wall

Question 6

The hypopharynx contains

Answer 6

pysriform sinus, post cricoid area, and pharyngeal wall

Question 7

borders for breast tangents? sup

Answer 7

sup-first intercostal space

Question 8

borders for breast tangents? inf

Answer 8

inf 1/5 cm below the inframammary fold

Question 9

borders for breast tangents? med

Answer 9

med-midline

Question 10

borders for breast tangents? lat

Answer 10

lat- mid axillary line 2 cm beyond all breast tissue

Question 11

borders for sclav field? sup/inf/med/lat

Answer 11

sup-thyrocricoid groove
inf-top of tangent field
med-1 cm beyond midline and in- side sternocleidomastoid superi- orly
lat- acromioclavicular joint

Question 12

borders for IM fields? sup/inf/med/lat

Answer 12

sup to match sclav field
inf- xyphoid process
med- 1cm past midline
lat 5 cm past midline on ipsilateral side

Question 13

borders for pab field? sup/inf/med/lat

Answer 13

sup- bisect clavicle and humeral head
inf match tangent filed
med include nodes that lie close to chest wall
lat- latissimus dorsi muscle

Question 14

AP/PA Borders for RT stomach cancer (sup, inf, left, right)

Answer 14

bottom of T8, Bottom of L3, 2/3 of left hemidiaphragm, 3-4 cm right of vertebral bodies

Question 15

Lateral field borders for stomach can- cer (sup, inf, ant, post)

Answer 15

bottom of T8, bottom of L3, ant to abd wall, 1/2 of vertebral bodies

Question 16

PA field borders for colon ca? sup, inf, lat

Answer 16

bottom of L5, 5cm + below scar, 1-2 cm beyond pelvic inlet

Question 17

lateral field borders for colon ca? post, ant

Answer 17

post sacrum, ant to or mid acetabulum

Question 18

How much margin to tumor bed for colon cancer?

Answer 18

4-5 cm including nodes

Question 19

Treatment borders anal cancer (sup, inf, lat)

Answer 19

bottom of SI joints, 3 cm distal tumor, inguinal nodes

Question 20

EBRT borders cervical cancer inf, lat, sup,

Answer 20

obturator foramina, 2 cm pelvic side wall, L5-S1

Question 21

Traditional RT for endometrial cancer fields borders sup, lat, inf

Answer 21

L4-5, 1.5-2 cm of pelvic side wall, obturateor foramen

Question 22

Spinal port for CSI includes

Answer 22

S2 and lateral borders of vertebral bodies

Question 23

CSI of the brain field includes what?

Answer 23

cribiform pate to C2, flash all around

Question 24

traditional treatment for HN cancers RT

Answer 24

3 field, lateral necks and ap sclav type

Question 25

arynx traditional treatment field sizes?

Answer 25

5x5 cm

Question 26

RT treatment traditional vulvar ca

Answer 26

AP/PA with ap lateral electrons for lymph nodes

Question 27

Traditional treatment for ovarian RT?

Answer 27

WART, kidney blocks