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Oral Boards > CORE STUFF > Flashcards

CORE STUFF Flashcards

1
Q

T1 esophagus

A

Invades mucosa or submucosa

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2
Q

T2 esophagus

A

Invades muscularis propria

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3
Q

T3 esophagus

A

Invades adventitia (through muscularis)

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4
Q

T4 esophagus

A

Invades adjacent structures

T4a is resectable (pleura, pericardium, diaphragm)

T4b is unresectable (aorta, trachea, vertebral body)

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5
Q

N1 esophagus

A

1-2 nodes

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6
Q

N2 esophagus

A

3-6 nodes

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7
Q

N3 esophagus

A

7+ nodes

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8
Q

CNS: lens

Standard fractionation

A

5-7 Gy MPD

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9
Q

CNS: retina

standard fractionation

A

45 MPD

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10
Q

CNS: optic nerve

Conventional fx

A

54 Gy MPD

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11
Q

CNS: optic chiasm

conventional

A

54 Gy MPD

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12
Q

CNS: brainstem

conventional

A

54 Gy MPD

Accept MPD of 60 if disease involved

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13
Q

CNS: cochlea

conventional

A

Mean <35 Gy

Accept mean <45 Gy if temporal, counsel on risk of mastoid effusion and hearing loss

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14
Q

CNS: cord

conventional

A

45 Gy MPD

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15
Q

Pediatric chiasm/optic constraint

A

50.4 MPD

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16
Q

CNS: lens

SRS

A

1 Gy

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17
Q

CNS: optic nerve

SRS

A

8 Gy MPD

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18
Q

CNS: chiasm

SRS

A

8 Gy MPD

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19
Q

CNS: brainstem

SRS

A

<12 Gy MPD

If disease involved, limit brainstem dose to 1 cc

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20
Q

CNS: cochlea

SRS

A

Mean < 4 Gy

MPD < 12 Gy

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21
Q

CNS: cord

MPD

A

14 Gy MPD

10 Gy D0.35 cc

10 Gy transection

10 Gy if prior RT

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22
Q

CNS: optic nerve

3fx SRS

A

18 Gy MPD

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23
Q

CNS: chiasm

3 fx SRS

A

18 Gy MPD

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24
Q

CNS: brainstem

3 fx SRS

A

D05% 27 Gy

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25
Q

CNS: cochlea

3 fx SRS

A

15 Gy MPD

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26
Q

CNS: optic nerve

5 fx SRS

A

Accept 5Gy x 5 MPD

but try for MPD < 23 Gy

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27
Q

CNS: optic chiasm

5 fx SRS

A

5 x 5 MPD

but try for <23

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28
Q

CNS: brainstem

5 fx SRS

A

MPD of 30 Gy

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29
Q

CNS: spinal cord

5 fx SRS

A

30 Gy MPD

If prior RT - 10 Gy MPD

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30
Q

HN: optics

A

54 MPD

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31
Q

HN brainstem

A

MPD 54

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32
Q

HN cord

A

MPD 45

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33
Q

HN cochlea

A

Mean < 35

Accept < MPD 45

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34
Q

HN: parotids

A

ALARA but Mean < 26

A least one parotid with D50 < 30 Gy

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35
Q

HN: larynx

A

Mean < 40 Gy

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36
Q

HN: Constrictors

A

Mean < 50 Gy

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37
Q

HN: esophagus

A

Mean < 34 Gy

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38
Q

HN: oral cavity

A

Mean < 30 Gy

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39
Q

HN: Mandible

A

MPD < 70

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40
Q

HN: lips

A

Mean < 20 Gy

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41
Q

HN: temporal lobe

A

MPD < 60

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42
Q

HN: lens

A

MPD < 7 Gy

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43
Q

HN: cornea

A

MPD 40 Gy

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44
Q

HN: retina

A

MPD 45 Gy

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45
Q

HN: globe of eye

A

MPD 50 Gy

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46
Q

Breast: Ipsi lung

Tangents

A

at most 2 cm of lung in tangent field

V20 < 15%

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47
Q

Breast: ipsilateral lung

High tangents

A

V20 < 20%

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48
Q

Breast: contralateral lung

tangents

A

V5 < 10%

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49
Q

Breast: Heart

Tangents

A

Mean < 1-2 Gy (if left sided)

Ideally < 0 or minimal if right sided

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50
Q

Breast hotspot goal

hypofractionation

A

MPD <107%

V105% < 10%

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51
Q

Breast: contralateral breast

tangents

A

MPD 3 Gy

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52
Q

Breast: ipsilateral lung

RNI

A

V20 < 35%

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53
Q

Breast: Heart

RNI

A

Ideally mean < 4 Gy

V20 < 5%

Accept mean dose of 5 Gy if treating IMNs

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54
Q

Breast: Breast hotspot

RNI

A

<110%

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55
Q

Lung: Spinal cord

Conventional

A

<45 Gy MPD

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56
Q

Lung: spinal cord

45 Gy BID regimen

A

41 Gy MPD

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57
Q

Lung: esophagus

conventional

A

Mean < 34 Gy

V60 < 17%

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58
Q

Lung: brachial plexus

conventional

A

66 Gy MPD

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59
Q

Lung: heart

conventional

A

V50 < 25%

V30 < 50%

Mean < 20 Gy

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60
Q

Lung: lung

how is this defined?

A

Bilateral lungs minus GTV

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61
Q

Lung: lung

conventional - two lungs

A

V20 < 35%

Mean < 20

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62
Q

Lung: lung

conventional post pneumonectomy

A

V20 < 5%

Mean < 8 Gy

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63
Q

Lung: kidneys

Conventional

A

V18 < 33%

Mean to both kidneys of 18 Gy

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64
Q

Lung: liver

conventional

A

Mean < 30

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65
Q

Lung: lung constraint for solitary lung

A

V20 < 5%

Mean < 8 Gy

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66
Q

Lung: spinal cord

3 FX SBRT

A

18 Gy MPD

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67
Q

Lung: esophagus

3 FX SBRT

A

27 Gy MPD

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68
Q

Lung: brachial plexus

3 FX SBRT

A

24 Gy MPD

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69
Q

Lung: heart

3 FX SBRT

A

30 Gy MPD

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70
Q

Lung: trachea and PBT

3 FX

A

MPD < 30 Gy

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71
Q

Lung: chest wall

3 FX SBRT

A

V30 < 30 cc

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72
Q

Lung: lung

3 FX SBRT

A

V20 < 10% (bilateral)

V20 < 25% (ipsilateral)

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73
Q

Lung: spinal cord

5 FX SBRT

A

MPD < 30 Gy

74
Q

Lung: Esophagus

5 FX SBRT

A

<105% mpd

5 cc < 28

75
Q

Lung: brachial plexus

5 FX SBRT

A

32 Gy MPD

76
Q

Lung: heart

5 FX SBRT

A

<105 % MPD

77
Q

Lung: trachea + PBT

5 FX SBRT

A

<105% MPD

78
Q

Lung: lung

5 FX SBRT

A

V20 < 10% (bilateral)

V20 < 25% (ipsilateral)

79
Q

Lung: chest wall

5 FX SBRT

A

V30 < 30 cc

Accept < 50 cc if compromising coverage

80
Q

Lung: cord

8 FX SBRT

A

MPD of 30 Gy

81
Q

Lung: esophagus

8 FX SBRT

A

MPD of 32-40 Gy

82
Q

Lung: brachial plexus

8FX SBRT

A

40 Gy MPD

83
Q

Lung: heart

8 FX SBRT

A

< 60 Gy MPD

84
Q

Lung: great vessels

8 FX SBRT

A

<105%

85
Q

Lung: trachea + PBT

8 FX SBRT

A

55 Gy MPD

86
Q

Lung: lung

8 FX SBRT

A

V20 < 10-12% (bilateral)

V20 < 30% (ipsilateral)

87
Q

Lung: spinal cord

15 FX

A

MPD < 40

88
Q

Lung: esophagus

15 FX

A

MPD < 60

Mean < 28

89
Q

Lung: heart

15 FX

A

MPD < 60

V45 < 30%

90
Q

Lung: trachea and PBT

15 FX

A

hot spots out

91
Q

Lung: liver

15 FX

A

700cc < 24 gy

92
Q

Lymphoma: lacrimal gland

A

D50 < 35 Gy

93
Q

Lymphoma: salivary glands

A

Mean < 11 Gy

94
Q

Lymphoma: thyroid

A

V25 < 60%

95
Q

Lymphoma: lung (volumetric)

A

V20 < 20% (ideal) accept up to <35%

V5 <35% (ideal) accept up to 55%

96
Q

Lymphoma: lung (mean)

A

<8 ideal

up to 15 ok

97
Q

Lymphoma: heart (volumetric)

A

V30 < 15% (accept up to 20%)

keep hot spots out of LV and coronaries

98
Q

Lymphoma: heart (mean)

A

< 5 Gy (ideal)

ok up to 15 Gy

99
Q

Lymphoma: bone marrow

A

Minimize low dose to avoid cytopenias (watch V5, V10)

100
Q

Lymphoma: Breast

A

Mean < 4 Gy (ideal)

Accept up to 15 Gy

101
Q

GI - cord

A

MPD 45 Gy

102
Q

GI: lung

A

V20 < 20%

Mean < 20 Gy

103
Q

GI: heart

A

V30 < 30%

Mean < 20 Gy

104
Q

GI bowel MPD

A

55 Gy

105
Q

GI bowel volumetric

A

V45 < 40-195 cc

106
Q

GI bowel anal cancer

A

V45 < 20 cc (due to mitomycin)

107
Q

GI: esophagus mean

A

< 34 Gy

108
Q

GI: esophagus volumetric

A

V60 < 17%

109
Q

GI: esophagus MPD

A

< 65 Gy

110
Q

GI: stomach

A

Mean < 30 Gy

MPD < 54 Gy

111
Q

GI: kidney

A

Mean < 18 Gy

V18 < 33%

112
Q

GI: bladder volumetric

A

V40 < 40%

V45 < 15%

113
Q

GI: bladder MPD

A

<50 Gy

114
Q

GI: femoral head

A

V40 < 40%

MPD 50 Gy

115
Q

GI: genitalia

A

V20 < 50%

MPD 40 Gy

116
Q

GI: kidney (assuming 1 kidney)

A

V18 < 10%

117
Q

Liver SBRT: cord

A

MPD 25 Gy

(cord + 5 mm)

118
Q

Liver SBRT: bowel

A

MPD 30 Gy

119
Q

Liver SBRT: esophagus

A

MPD 30 Gy

120
Q

Liver SBRT: stomach

A

MPD 30 Gy

121
Q

Liver SBRT: liver

A

at least 700 cc receiving <15 Gy

122
Q

Liver SBRT: bile duct

A

MPD < 55 Gy

123
Q

Liver SBRT: kidney

A

Ideally bilateral mean < 10 Gy

Each V15 < 67%

124
Q

GI: small bowel

15 FX

A

MPD < 40 Gy

V37 < 40 cc

125
Q

GI: large bowel

15 FX

A

< 50 Gy

126
Q

GI: liver volumetric

15 FX

A

700 cc < 24 Gy

127
Q

GI: liver mean

15 FX

A

< 24 Gy

128
Q

GI: kidneys

15 FX

A

V20 < 33%

129
Q

GYN: Small bowel

A

V45 < 195cc

V40 < 30%

V55 < 15 cc

130
Q

GYN: rectum

A

V40 < 80%

131
Q

GYN: bladder

A

V40 < 40%

V45 < 35%

132
Q

GYN: femoral heads

A

MPD < 50 Gy

V40 < 35%

133
Q

GYN: transposed ovary

A

< 8 Gy

134
Q

GYN BRACHY: bowel [EQD2]

A

D2cc < 65 (accept 75)

135
Q

GYN BRACHY: rectum [EQD2]

A

D2cc < 65 (accept 75)

136
Q

GYN BRACHY: bladder [EQD2]

A

D2cc < 80 (accept 90)

137
Q

GYN BRACHY: vagina [EQD2]

A

Upper vagina < 120

Mid vagina < 80

Lower vagina < 60

138
Q

GYN brachy alone - rectum

A

2 cc < 75% prescribed dose

139
Q

Gyn brachy alone - bladder

A

2cc roughly < 75% prescribed dose

140
Q

Gyn brachy alone - vagina

A

120-150%

141
Q

GU: rectum

conventional

A

V75 < 15%

V65 < 35%

V40 < 55%

142
Q

GU: bladder

conventional

A

V80 < 15%

V75 < 25%

V65 < 50%

V40 < 70%

143
Q

GU: penile bulb

conventional

A

V50 < 50%

144
Q

GU: bowel

conventional

A

V45 < 200cc

MPD < 54 Gy

145
Q

GU: femoral heads

A

MPD 50 Gy

146
Q

GU: kidney

testicular

A

D50% < 8 Gy

147
Q

GU: rectum

brachy

A

V100% < 1 cc

148
Q

GU: urethra

brachy

A

Dmax < 150%

149
Q

GU: rectum

mod hypo

A

V45 < 45%

V65 < 15% or <10 cc

150
Q

GU: bladder

mod hypo

A

V45 < 45%

V65 < 15%

151
Q

GU: penile bulb

mod hypo

A

ALARA

152
Q

GU: bowel

mod hypo

A

V46 < 2cc

MPD 52

153
Q

Peds: cochlea

A

Mean < 35

154
Q

Peds brainstem

A

<50.4

155
Q

Peds breasts

A

Mean < 3 Gy

156
Q

Peds lung

A

V20 < 30%

157
Q

Peds ovaries

A

Mean < 4-6 Gy

158
Q

Peds liver

A

Whole liver < 23.4 Gy

V9 < 50%

159
Q

Peds ipsi kidney

A

V19.8 < 50%

V14.4 < 100%

160
Q

Peds contra kidney

A

V8 < 50%

161
Q

Sarcoma skin strip

A

V20 < 50%

162
Q

Sarcoma femoral neck

A

V60 < 5%

Femur mea < 37

163
Q

Sarcoma joint

A

V50 < 50%

164
Q

Sarcoma anus/vulva

A

V30 < 50%

165
Q

Sarcoma testis

A

V3 < 50%

166
Q

Spine SBRT - cord

1 fx

A

Dmax 14

D0.35 cc 10

167
Q

Spine SBRT - cord 3 fx

A

MPD < 18 Gy

168
Q

Spine SBRT - cord

5 FX

A

MPD < 30 Gy

169
Q

Spine SBRT cauda

A

16 Gy MPD

170
Q

Spine SBRT cauda

3 FX

A

24 Gy

171
Q

Spine SBRT cauda

5 FX

A

32 Gy

172
Q

Rectum 5 FX Dmax

A

28 Gy

173
Q

Rectum 5 FX bladder

A

V25 < 65 cc

174
Q

Rectum 5FX femoral heads

A

Dmax < 28

175
Q

GU Brachy

Coverage goals

A

V100% > 95%

V150% < 40%

V200% < 20%

176
Q

GU brachy D90 goal

A

>100% ideal

>90% acceptable

177
Q

GU brachy

urethra

A

Dmax < 150%

check for 150% IDL in urethra

178
Q

GU brachy

rectum

A

V100% < 1 cc

179
Q

When to bring GU brachy patient back for dosimetry

A

CT at 30 days

Shoot for V100 > 90%

180
Q
A

Oral Boards (12 decks)

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