My father died of colon cancer in his 60s. I'm also worried about genetics... Now that I'm in my 60s, how should I undergo screenings? What about endoscopic examinations?

My father died of colon cancer in his 60s. I'm also worried about genetics... Now that I'm in my 60s, how should I undergo screenings? What about endoscopic examinations?
2026年07月03日 11時04分Level: N2Sentences: 15
おや大腸だいちょうがんだっ場合ばあいどもかかるリスクがります

If a parent has colon cancer, the risk for their children increases.

来年度らいねんどから検診けんしん便潜血べんせんけつ反応はんのう検査けんさこれまで2かいほうから1かいほうわります

Starting next year, the fecal occult blood test for screenings will change from two tests to one.

ニュースなが大腸だいちょうがん心配しんぱいする患者かんじゃさんから時々ときどき1かいいい?質問しつもんけるようなりまし

Since the news broke, I've occasionally received questions from patients worried about colon cancer, asking, 'Is one test enough?'

このことかんがます

I will think about this.

62さい女性じょせいNさん父親ちちおや60さいだい大腸だいちょうがんためくなっ自分じぶんなるないなっまし

Let's think about this.

毎年まいとし健康診断けんこうしんだん便潜血べんせんけつ反応はんのう検査けんさ(2かいほう)5ねんまえ一度いちど1かい陽性ようせいなりまし

She underwent the fecal occult blood test (two-test method) during her annual health check-ups and had one positive result five years ago.

そのため大腸内視鏡だいちょうないしきょう検査けんさけるがんポリープなく痔(じ)から出血しゅっけつ原因げんいん診断しんだんそうです

As a result, when she underwent a colonoscopy, it was diagnosed that there was no cancer or polyps, and the bleeding was caused by hemorrhoids.

このとき大腸内視鏡だいちょうないしきょう検査けんさとてもつらいものでし

The colonoscopy at that time was very painful.

からだ左右さゆううごかさおなかうえからつよ圧迫あっぱく内視鏡ないしきょうおくはいたびいたかっ内視鏡ないしきょう検査けんさたくないおもます

She said that her body was moved side to side, her abdomen was strongly pressed from above, and it hurt every time the endoscope went deeper, so she thought she never wanted to undergo an endoscopic examination again.

今年ことし便潜血べんせんけつ反応はんのう検査けんさ陰性いんせいでし調子ちょうしわるいうこと受診じゅしんさい来年らいねんから便潜血べんせんけつ1かいいいでしょう?質問しつもんまし

This year's fecal occult blood test was negative, but when I visited due to stomach issues, I was asked, 'Is it okay to do the fecal occult blood test once starting next year?'

わたくしあらためてこの変更へんこうつい調しらまし

I also looked into this change again.

大腸だいちょうがんあっ出血しゅっけつ毎日まいにちこるかぎ1かい採取さいしゅがんあるひとまさしく陽性ようせい検出けんしゅつできる確率かくりつ3050%ですこれ2連続れんぞくすること8090%たかめることできるいっデータもとづい2かいほう採用さいようまし

Even if there is colorectal cancer, bleeding does not necessarily occur every day, and the probability of correctly detecting cancer with a single sample is 30-50%, but by doing it over two consecutive days, this can be increased to 80-90%, which is the basis for adopting the two-sample method.

しかし国立こくりつがん研究けんきゅうセンターなど最新さいしん評価ひょうかデータよる陽性ようせいだっ場合ばあい大腸だいちょうがんつかる割合わりあい1かいほう2かいほうおおきなないことわかっそうです

However, according to the latest evaluations and data from institutions like the National Cancer Center, it has been found that there is not a significant difference in the rate of finding colorectal cancer between the one-sample and two-sample methods when the test result is positive.

それ見逃みのが危険きけんある毎年まいとしきちんと1かいほうすりける弱点じゃくてんおぎなます

Still, there is a risk of missing it, so it is recommended to get tested properly every year to compensate for the weaknesses of the one-sample method.

大腸だいちょうがんねん単位たんいゆっくり進行しんこうする毎年まいとしかさいれいずれ検出けんしゅつすることできるいうかんがかたです

Colorectal cancer progresses slowly over the years, so the idea is that if you get tested every year without fail, it will eventually be detected.

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