Prostate Brachytherapy Directed Reading Quiz

Question 1

Prostate cancer is responsible for approximately _________% of cancer deaths.

Answer 1

10

Question 2

Which statement is most correct concerning early detection and treatment of prostate cancer?

Answer 2

Prostate cancer typically progresses slowly and can be treated effectively.

Question 3

The most important risk factor for prostate cancer is:

Answer 3

age

Question 4

Incidence of and mortality from prostate cancer vary significantly based on which of these:

socioeconomic status
geographical region
ethnicity

Answer 4

socioeconomic status
geographical region
ethnicity

Question 5

Which U.S. ethnic or racial group has the highest incidence and mortality rates for prostate cancer?

Answer 5

African Americans

Question 6

The principal screening methods for prostate cancer are the prostate specific antigen (PSA) test and:

Answer 6

digital rectal exam

Question 7

The cancer detection rate is HIGHER when the PSA test and DRE are used in combination that for either test alone.

Answer 7

True

Question 8

Over diagnosis of prostate cancer results in which of these:

unnecessary financial costs for society
unnecessary patient morbidity because of treatment
a diagnosis of prostate cancer that would never progress to symptoms or death

Answer 8

unnecessary financial costs for society
unnecessary patient morbidity because of treatment
a diagnosis of prostate cancer that would never progress to symptoms or death

Question 9

Which of the following outcomes is associated with the U.S. Prostate, lung, and colorectal and ovarian cancer screening trial?

Answer 9

The trial showed no mortality benefit to prostate cancer screening.

Question 10

In 2012, the U.S. preventative services task force recommended against PSA screening for prostate for men who are:

Answer 10

of any age

Question 11

Introduction of a new cancer screening technology would be expected to:

Answer 11

increase incidence immediately and decrease mortality over time.

Question 12

If a PSA test and a DRE indicate that a patient might have prostate cancer, what procedure is typically performed?

Answer 12

core needle biopsy

Question 13

In some cases, a biopsy might reveal __________ cells, a possible precursor to prostate cancer.

Answer 13

prostate intraepithelial neoplasia

Question 14

A Gleason score of 6 or less correlates to:

Answer 14

a low grade cancer that is mildly aggressive

Question 15

After a prostate cancer is diagnosed, what tests can be used to determine the stage of prostate cancer?

Answer 15

bone scan

pelvic lymphedectomy

seminal vesicle biopsy

Question 16

The most commonly used brachytherapy treatment for prostate cancer is permanent implantation of low activity radioactive seeds.

Answer 16

True

Question 17

What isotopes are used for prostate brachytherapy?

Answer 17

iodine 125
cesium 131
palladium 103

Question 18

Intraoperative treatment planning combines what procedures?

Answer 18

volume study

seed implantation

Question 19

According to the article, the use of stranded seeds can reduce which of the following?

Answer 19

seed migration

Question 20

Preloaded needles are:

Answer 20

Sometimes loaded using loose spacers or stranded seeds

available from special nuclear pharmacies

Question 21

Which of the following is NOT an approach to prostate brachytherapy treatment planning as defined by the American Brachytherapy Society?

preplanning
intraoperative planning
inverse dose calculation
dynamic dose calculation

Answer 21

inverse dose calculation

Question 22

According to the article, the volume study should be performed no earlier than _____ weeks prior to implantation.

Answer 22

2-3 weeks

Question 23

TRUS images collected during the volume study primarily are used to:

Answer 23

evaluate prostate size

evaluate prostate location relative to the pubic arch

prepare the treatment plan

Question 24

What causes differences in prostate volume, shape, and position between the volume study and the operating room?

Answer 24

imaging techniques

equipment

patient positioning

Question 25

Quality control for prostate implants does NOT include verification of which of these?

correct needle loading for MIck’s applicators

manufacturer’s seed activity

patient’s identity

needle placement matched what was specified in the treatment plan

Answer 25

the manufacturer’s seed activity

Question 26

During a post implant radiation survey, a survey must be performed to ensure:

Answer 26

no seeds were lost during the procedure

Question 27

For post implant simulation, what is recommended by the American Brachytherapy Society?

Answer 27

computed tomography imaging

Question 28

Which of the following is true regarding calculating dose distribution?

Answer 28

this calculation is performed by identifying seed location with CT imaging.

Question 29

Rectal morbidity greatly affects long term bowel function and commonly is a serious issue after prostate brachytherapy.

Answer 29

False

Question 30

_________ is defined differently in different studies and is the strongest determinant of distant metastasis.

Answer 30

biochemical failure