Having a Cousin or Grandparent With Colon Cancer Raises Your Risk

WEDNESDAY, Sept. 15, 2021 (HealthDay News) -- Colon crab hazard runs successful families, and it's not conscionable a genitor oregon sibling having had the illness that should interest you.

If you person a second- oregon third-degree comparative who had colon cancer astatine an aboriginal age, your likelihood of having the illness substantially increase, a caller survey finds.

First-degree relatives see parents, children and siblings. Second-degree relatives see aunts, uncles, grandparents, grandchildren, nieces and nephews. Third-degree relatives see archetypal cousins, great-grandparents and great-grandchildren.

"Our survey provides caller penetration into the magnitude of hazard for much distant relatives of colorectal crab cases, and successful particular, for relatives of cases who were diagnosed earlier property 50," said researcher Heather Ochs-Balcom, an subordinate prof of epidemiology and biology wellness with the University astatine Buffalo (N.Y.) School of Public Health and Health Professions.

"This enactment is important fixed the rising rates of early-onset colorectal cancer," she said successful a assemblage quality release. The researchers, from the University astatine Buffalo and the University of Utah, referred to early-onset colon crab arsenic cases diagnosed earlier property 50.

First-degree relatives of idiosyncratic diagnosed with early-onset colon crab are six times much apt to make colon crab earlier property 50; second-degree relatives are 3 times much likely, and third-degree relatives are astir 1.5 times much likely, investigators found.

For the study, they reviewed much than 1,500 early-onset colon crab cases successful the Utah Cancer Registry.

Researchers besides recovered that radical person a 2.6-fold higher hazard of colon crab astatine immoderate property if they person a first-degree comparative with early-onset colon cancer. And the hazard is astir 2 times greater for second-degree relatives, and 1.3 times greater for third-degree relatives.

These findings suggest that a colonoscopy screening earlier property 50 whitethorn beryllium beneficial for second-degree relatives and perchance third-degree relatives of idiosyncratic who developed colon cancer, not conscionable contiguous household members.

The study was published successful August successful the diary Cancer Epidemiology.

More information

For much connected colon cancer, spot the American Cancer Society.

SOURCE: University astatine Buffalo, quality release, Sept. 13, 2021