QUESTIONS AND DETAILED SOLUTIONS
●● CEA is most useful as a marker for what 4 cancers. Answer: -
colorectal
- GI
- lung
- breast
●● who discovered CEA and when. Answer: Gold and Freeman in 1965
●● how was CEA discovered. Answer: by immunizing rabbits with
extracts of human colon cancer tissue
●● what percent does CEA elevate in colorectal cancer. Answer: 70%
●● what percent does CEA elevate in lung cancer. Answer: 45%
●● what percent does CEA elevate in gastric cancer. Answer: 50%
●● what percent does CEA elevate in breast cancer. Answer: 40%