Colonoscopy / Sigmoidoscopy in Kolkata
Diagnostic Procedures

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Minimally Invasive Endoscopic Procedure: An Overview
Bowel symptoms like persistent rectal bleeding, chronic abdominal pain or unexplained changes in bowel habits should never be ignored. Colonoscopy/Sigmoidoscopy is a safe and minimally invasive endoscopic procedure that allows specialists to examine the inner lining of the large intestine with precision.
Whether you need a routine colon screening test or evaluation of symptoms, advanced diagnostic colonoscopy helps Dr Abhishek Banerjee identify the root cause and guide timely treatment.

Explaining Colonoscopy / Sigmoidoscopy
Colonoscopy/Sigmoidoscopy involves the examination of the colon and rectum using an endoscope with a high-definition camera for real-time visualisation of the bowel lining.
A colonoscopy examines the entire large intestine, while a sigmoidoscopy test evaluates the lower colon and rectum.
These procedures support the diagnosis of bleeding, inflammation and bowel disorders, including IBD, colorectal polyps and unexplained rectal bleeding. Colonoscopy also allows detection and removal of colon polyps, reducing the risk of colorectal cancer progression.
If you seek screening for colorectal cancer or investigation of persistent bowel symptoms, consult Dr Abhishek Banerjee, a colonoscopy specialist, urgently.
Dr Abhishek Banerjee’s Colonoscopy / Sigmoidoscopy Approach
During a colonoscopy or sigmoidoscopy, Dr Abhishek Banerjee performs a detailed bowel examination using advanced endoscopic technology to detect abnormalities with precision.
With over 16 years of experience and triple qualifications (MBBS, MD, DM in Gastroenterology), he ensures every colonoscopy test is conducted with careful assessment, accurate diagnosis and clear patient guidance before and after the procedure.
Expert Care You Can Rely On
Every colonoscopy and sigmoidoscopy performed under the care of Dr Abhishek Banerjee prioritises patient safety, procedural accuracy and complete clarity. You are guided through each step — from bowel preparation through to results — so the experience feels straightforward, reassuring and fully supported.
What To Expect
Assessment of persistent rectal bleeding or blood in stool
Investigation of unexplained changes in bowel habits
Evaluation of chronic abdominal pain and bloating
Diagnosis of suspected IBD, colitis or bowel inflammation
Detection and removal of colorectal polyps
Screening for colorectal cancer in high-risk individuals
Monitoring of known bowel conditions and post-treatment follow-up
With timely colonoscopy/sigmoidoscopy in Kolkata by Dr Abhishek Banerjee, bowel concerns can be identified early — allowing accurate diagnosis, targeted treatment and long-term relief from troubling symptoms.
Frequently Asked Questions
When is a colonoscopy or sigmoidoscopy needed?
Recommended for persistent rectal bleeding, unexplained bowel habit changes, chronic abdominal pain, suspected IBD, or colorectal cancer screening after age 45 or with a family history.
What conditions can a colonoscopy detect?
Diagnostic colonoscopy detects colorectal polyps, IBD, colitis, bowel inflammation, unexplained bleeding, and colorectal cancer through direct visual examination of the colon.
Is a colonoscopy painful or risky?
Colonoscopy is a safe, minimally invasive endoscopic procedure performed under sedation, ensuring minimal discomfort for most patients.
How long does it take?
The procedure takes about 30–45 minutes, and most patients return home the same day.
How to prepare?
Preparation includes a liquid diet and bowel-cleansing regimen the day before the procedure.
PATIENT TESTIMONIALS
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Real stories from people who placed their digestive and liver health in expert hands. Their recovery journeys reflect the trust, care, and clinical precision they experienced.
