Norsk
Norwegian Association of Oncology

Avoid investigations such as imaging, blood tests, endoscopies, etc., in cancer patients when the likelihood of and impact on treatment or disease management is low.

31. JULI 2025

Rationale:

Any examination can be a burden for seriously ill patients. Therefore, the indication must be carefully considered. 

References:

  • Fisher DA, et al. Inappropriate colorectal cancer screening: findings and implications. Am J Gastroenterol. 2005 Nov;100(11):2526-30. PMID: 16279910.
  • Lee SJ, et al. Time lag to benefit after screening for breast and colorectal cancer: meta-analysis of survival data from the United States, Sweden, United Kingdom, and Denmark. BMJ. 2013 Jan 8;346:e8441. PMID: 23299842.
  • Moyer VA. Screening for prostate cancer: U.S. Preventive Services Task Force recommendation statement. Ann Intern Med. 2012 Jul 17;157(2):120-34. PMID: 22801674.
  • Schroder FH, et al. Prostate-cancer mortality at 11 years of follow-up. N Engl J Med. 2012 Mar 15;366(11):981-90. PMID: 22417251.
  • Nasjonale faglige retningslinjer (Helsedirektoratet.no)