Korean Dictionary
How to say "Colonoscopy" in Korean
“Colonoscopy” in Korean is 대장내시경 (pronounced "daejang naesijyeong").
대장내시경
daejang naesijyeong
Usage & Context
대장내시경 is a colon cancer screening procedure that is covered by Korean national health insurance for those over 50. Korea has one of the highest rates of colorectal cancer in the world making 대장내시경 an important diagnostic tool. The preparation diet before 대장내시경 requires strict dietary restrictions and bowel prep that Koreans are familiar with.
Example Sentence
대장내시경 전날 금식을 해야 해요.
You have to fast the day before a colonoscopy.
How to use 대장내시경 naturally
Quick answer
The Korean word for “Colonoscopy” is 대장내시경, romanized as daejang naesijyeong.
Usage tip
When describing symptoms, combine the word with where it hurts, when it started, and how severe it is.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 대장내시경.
Pronunciation Guide
대 (dae) sounds like "day". 장 (jang) sounds like "jahng" as in "jangly". 내 (nae) sounds like "nay". 시 (si) sounds like "see" or "she" with a soft 's'. 경 (gyeong) sounds like "gyung", similar to the 'yung' in "young" but with a 'g' sound. Put it together as "day-jahng-nay-see-gyung".
More Example Sentences
Explaining dietary restrictions for a medical procedure.
대장내시경 준비 때문에 어제부터 금식했어요.
I've been fasting since yesterday for colonoscopy prep.
Giving a health recommendation or guideline.
50세 이상은 대장내시경 검사를 꼭 받아야 해요.
People over 50 must get a colonoscopy exam.
Giving post-procedure dietary advice.
대장내시경 후에는 죽을 먹는 게 좋아요.
It's good to eat porridge after a colonoscopy.
Cultural Context
Similar to gastroscopy, '대장내시경' (colonoscopy) is a vital screening tool in Korea due to the high incidence of colorectal cancer, with national health insurance covering it for those over 50. The preparation, which involves strict dietary restrictions and bowel cleansing, is a well-known, albeit unpleasant, experience for many middle-aged and older Koreans. It's common to hear people discussing their '대장내시경' prep stories or post-procedure recovery, often involving light meals like porridge.
Editorial note
We review entries like 대장내시경 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
대장내시경 검사
Colonoscopy exam
대장내시경 준비
Colonoscopy preparation
수면 대장내시경
Sedated colonoscopy
Related Expressions
위내시경
winaesijyeong
Gastroscopy
대장암
daejang-am
Colorectal cancer
용종
yongjong
Polyp
장 청소
jang cheongso
Bowel cleansing
More Health & Medical Words
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