6 Questions
What percentage of patients undergoing prostate cancer screening with the PSA test had at least one false positive result?
25-30%
What is a limitation of the PSA test for prostate cancer screening?
It cannot distinguish between benign prostatic hyperplasia and prostate cancer.
What is a potential issue with repetitive screening tests like the PSA test?
The false positive rate increases with each subsequent test.
What percentage of patients undergoing lung cancer screening with CT scans had at least one false positive result?
70-90%
What is the difference between grading and staging in cancer?
Grading refers to the tumor's differentiation, while staging refers to the extent of its spread.
What is the purpose of the TNM staging system in cancer?
To evaluate the extent of the tumor's spread.
This quiz covers the definition, classification, and diagnosis of neoplasia, including differentiation, tumour behavior, classification, spread, prognosis factors, non-malignant effects of tumors, staging, grading, and essential terminology.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
