Sigmoidoscopy
Also called Flexible sigmoidoscopy
Sigmoidoscopy examines the rectum and the lower part of the colon with a flexible camera. It is shorter and simpler than a colonoscopy, usually needs no full sedation, and is used at Elite Gastro and Liver Clinic to investigate rectal bleeding, lower bowel symptoms and suspected polyps.
At a glance
- Typical duration
- 10–20 minutes
- Sedation
- Usually not needed
- Preparation
- An enema before the test
- Going home
- Straight after
What it involves
Because it looks only at the last part of the bowel, preparation is lighter, often an enema shortly before the test rather than a full day of bowel cleansing.
If something needs a closer look, a biopsy can be taken during the procedure. If the whole colon needs examining, a colonoscopy is advised instead.
When it is recommended
- Bright red bleeding from the back passage
- Recent change in bowel habit or lower abdominal pain
- Checking inflammation in known ulcerative colitis
- Assessing piles, fissures or suspected polyps in the rectum
Questions patients ask
Sigmoidoscopy or colonoscopy: which do I need?
Sigmoidoscopy covers only the rectum and lower colon. If your symptoms could come from higher in the bowel, or for cancer screening, Dr. Mannava will usually recommend a full colonoscopy.
Related care
- IBD clinicCrohn's disease and ulcerative colitis: diagnosis, flare control and long-term remission.
- ColonoscopyA full examination of the large bowel to find and remove polyps and investigate bleeding or bowel changes.
- PolypectomyRemoval of polyps from the colon or stomach to prevent bleeding and cancer.
Ask about Sigmoidoscopy
Book a consultation to find out whether this procedure is right for you.