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Flashcards in Extra midterm ?'s just in case Deck (26):
1

After what dose of radiation does xerostomia typically first occur?

1000 to 2000 cGy

2

After what dose of radiation may xerostomia become permanent?

4000 to 5000 cGy

3

What defines the posterior radiation field border for the treatment of a low-staged larynx cancer?

Anterior aspect of the vertebral body

4

What defines the superior radiation field border for the treatment of a low-staged larynx cancer?

Superior aspect of the hyoid

5

What defines the inferior radiation field border for the treatment of a low=staged larynx cancer?

Cricoid cartilage

6

What T stage is a glottic tumor that involves both vocal cords but does not impair mobility?

T1b

7

What T stage is a glottic tumor that involves only one vocal cord but does impair mobility?

T2

8

One virus with increasing prevalence in patients diagnosed with certain tumors of the head and neck is the ___________ virus.

Epstein Barr

9

Bloody discharge from the nose would be a common symptom of a tumor located in the _____________________.

nasopharynx

10

A wedged pair with a 90-degree hinge is a typical field arrangement for treatment of the __________________.

Maxillary sinus

11

What is the most common form of bladder cancer?

Transitional Cell Carcinoma

12

What is the standard dose used when irradiating the entire bladder?

4500 to 5000 cGy

13

Gleason’s grading system is based on the tumor’s _______________.

Morphology

14

Which treatment field arrangement is used to increase the midaxillary dose to the prescribed level in some patients?

Posterior axillary boost field (PAB)

15

What T stage is a breast cancer that is a 9-cm tumor with skin invasion?

T4

16

What T stage is a breast cancer that is a 3.5-cm tumor near the nipple?

T2

17

What T stage is a breast cancer that is a 1-cm tumor in the upper outer quadrant?

T1

18

What T stage is a breast cancer that is a 7-cm tumor in the upper outer quadrant with extension to the skin?

T3

19

What T stage is a breast cancer that is a 1.5-cm tumor near the nipple?

T1

20

What T stage is a breast cancer that is a 3-cm tumor invading the chest wall?

T4

21

What is the standard dose delivered to the tumor bed following tangential treatments?

4500 to 5000 cGy

22

What is the medial treatment border when the internal mammary lymph nodes are to be included in the tangential field?

3 cm beyond midline to the contralateral side

23

What is the standard dose delivered to the SCV field?

4500 to 5000 cGy

24

A woman’s risk of developing breast cancer in the United States is ____________.

1 in 8

25

Which of the following increases the risk for developing breast cancer?

Early menarche

26

According to the Radiation Therapy Oncology Group bright erythema with patchy, moist desquamation is an example of skin morbidity grade ______.

2