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Screening Guidelines for Healthcare Providers
Cancer Care Ontario Guidelines for Breast, Cervical & Colorectal Cancer Screening 

Ontario Breast Screening Program (OBSP)

Average Risk High Risk
Screening Recommendation



Mammogram every two years for most women Mammogram and screening breast MRI every year
Screening Population Women 50- 74 years of age
Women 30 to 69 years of age identified as high risk (see eligibility for criteria)


Outside the Screening Population
  • Screening starts at age 50 for average risk patients
  • Women over age 74 can be screened within the OBSP with a requistion, however they are encourgaed to make a personal decision about screening in consultation with their health care provider

  • Screening starts at age 30 for high risk patients 
  • screened with mammography only 
  • Women over age 74 can be screened within the OBSP with a requisition, however  they are encouraged to make a personal decision about breast screening in consultation with their health care provider
Eligibility
  • No acute breast symptoms 
  • No personal history of breast cancer 
  • No current breast implants 
  • No screening mammogram within the 
  • last 11 months 
  • No acute breast symptoms 
  • Meet one of the following risk criteria:
  • Are known to be carriers of a deleterious gene mutation and have declined genetic testing
  •  Have a family history that  indicates a lifetime risk of genetic assessment 
  • Have received radiation therapy to the chest before age 30 and at least eight years previously
  • Have a family history that  indicates a lifetime risk of breast cancer > 25% confirmed through genetic assessment


Ontario Cervical Screening Program (OCSP)

Screening Recommendation Cerivical cytology (Pap test) every three years
Screening Population
  • Screening initiation: Women 21 years of age who are or have every been sexually active 
  • Screening cessation: 70 years of age if > three negative/ normal cytology tests in the previous 10 years


ColonCancerCheck (CCC)

Average Risk High Risk
Screening Recommendation Fecal Occult Blood Test (FOBT) every two years Colonoscopy
Screening Population Women and men 50 to 74 years of age
  • Increased risk is definited as a family history of colorectal cancer in one or more first degree relatives (parent, sibling, or child)
  • Begin at 50 years of age or 10 years earlier than age relative was diagnosed, whichever occurs first 



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Southlake Regional Health Centre
596 Davis Drive, Newmarket, Ontario   L3Y 2P9
Tel: 905-895-4521   |   TTY: 905-952-3062
Copyright © 2012 Southlake Regional Health Centre
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