Colonoscopy
A flexible-camera examination of the whole colon, with tissue sampling when an abnormality is found.
Not a diagnosis and not final medical advice. Must be reviewed by a doctor.
Purpose of the test
- Finding tumors in the colon and rectum.
- Taking tissue samples for pathology and biological marker examination.
Informs decisions
- Diagnosis through pathology.
- Surgical planning and need for marker examination.
How the test is done
A flexible tube is inserted through the rectum under sedation; The entire colon is examined and polyps or masses can be sampled.
- Sample type
- Colon tissue
- Estimated result time
- Pathology results are generally a few days to two weeks.
Preparation
- Diet and laxatives according to instructions
- Fast according to schedule
- Blood thinner medication information
Limitations
- Requires good bowel preparation for complete results.
- Some small lesions may be missed.
Related
Cancer types
Not displayed
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Sources
- NCI Dictionary of Cancer Terms(lembaga)
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