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Questions and Answers
What percentage of patients undergoing prostate cancer screening with the PSA test had at least one false positive result?
What percentage of patients undergoing prostate cancer screening with the PSA test had at least one false positive result?
- 25-30% (correct)
- 50-60%
- 5-10%
- 70-90%
What is a limitation of the PSA test for prostate cancer screening?
What is a limitation of the PSA test for prostate cancer screening?
- It requires a surgical procedure to obtain a sample.
- It has a low sensitivity for detecting early-stage prostate cancer.
- It cannot distinguish between benign prostatic hyperplasia and prostate cancer. (correct)
- It has a high rate of false negatives.
What is a potential issue with repetitive screening tests like the PSA test?
What is a potential issue with repetitive screening tests like the PSA test?
- The test becomes less accurate over time.
- The test requires more invasive procedures with each subsequent test.
- The false positive rate increases with each subsequent test. (correct)
- The false negative rate increases with each subsequent test.
What percentage of patients undergoing lung cancer screening with CT scans had at least one false positive result?
What percentage of patients undergoing lung cancer screening with CT scans had at least one false positive result?
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What is the difference between grading and staging in cancer?
What is the difference between grading and staging in cancer?
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What is the purpose of the TNM staging system in cancer?
What is the purpose of the TNM staging system in cancer?
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