Cases that need colonoscopy

• 1Bleeding during defecation
• 2Recent bowel habit change
• 3Pain, usually lower abdominal pain
• 4Symptoms in colon such as constipation and diarrhea
• 5Iron-deficiency anemia that has an unclear cause or positive result in a fecal occult blood test
• 6Diagnosis and treatment of colon polyp (cystis) and follow-up test after treatment
• 7Screening test of colorectal cancer, in case there are colorectal cancer patients among family members
• 8Checking abnormality in colon study

Diseases that can be diagnosed by colonoscopy

• 1Important to prevent the occurrence of colorectal cancer, which is called a cancer of developed country,
  in advance with a regular colonoscopy
• 2In proctoscopy and colonoscopy, an endoscope is inserted through the anus to directly observe and monitor
  the lesion inside the rectum and colon, and when there is a lesion, a biopsy is carried out to diagnose a disease.