Advanced Colon Imaging: When is Virtual Colonoscopy an Option?

Colon Health: Exploring Beyond Traditional Colonoscopy

When we talk about checking your colon, a standard colonoscopy is usually the first thing that comes to mind. It’s great because doctors can see inside directly and even remove polyps right away. But did you know there are other advanced ways to look at your colon?

One such method is Computed Tomography Colonography (CTC), often called “Virtual Colonoscopy.” At Dr. Sandeep Pal’s clinic in Chandigarh, serving patients from Mohali, Panchkula, Kharar, Zirakpur, and Patiala, we explore all suitable options to ensure your best colon health.

What is Virtual Colonoscopy (CTC)?

CTC (Virtual Colonoscopy) uses a special type of X-ray machine (CT scan) to create detailed 3D pictures of your colon.

Here’s how it differs:

• Non-invasive: No long scope goes all the way through your colon.

• X-rays Involved: It uses radiation, unlike a traditional colonoscopy.

• Prep is Still Key: You still need to thoroughly clean your bowels beforehand.

• Air for Viewing: A small amount of air or gas is gently pumped into your colon to get clear images.

When Can CTC Be Your Choice?

While a regular colonoscopy is often preferred, CTC (Virtual Colonoscopy) can be a good option in specific situations:

• Incomplete Colonoscopy: If a traditional colonoscopy couldn’t go all the way through, CTC can check the rest of your colon.

• Sedation Risks: For patients where sedation for a traditional colonoscopy is risky due to heart or lung conditions, CTC is a sedation-free alternative.

• Patient Preference: Some people prefer CTC because it feels less invasive than a traditional scope.

• Specific Medical Conditions: In rare cases where a regular colonoscopy is unsafe.

• Average-Risk Screening: For some, CTC is an accepted way to screen for colorectal cancer if traditional colonoscopy isn’t chosen.

Understanding CTC’s Limitations

It’s important to know what CTC can’t do compared to a traditional colonoscopy:

• No Polyp Removal: If a problem (like a polyp) is found, you’ll need a separate traditional colonoscopy to remove it or take a biopsy. This could mean two bowel preps and two procedures.

• Radiation Exposure: There’s some exposure to X-ray radiation.

• Missing Small Polyps: It might not be as good at finding very tiny or flat polyps.

• Extra Findings: Sometimes, the scan might show other things outside the colon that aren’t serious but might need more tests.

• Prep is Still Needed: Just like with a regular colonoscopy, a clean bowel is essential.

CTC for Chronic Conditions Like Ulcerative Colitis

For patients with inflammatory bowel disease (IBD) like Ulcerative Colitis, regular checks are vital due to increased cancer risk.

• Traditional Colonoscopy is Key for IBD: For managing Ulcerative Colitis and for IBD surveillance, a traditional colonoscopy with biopsies is usually best. It allows doctors to see inflammation, check disease activity, and take samples to look for precancerous changes.

• CTC’s Limited Role in IBD: CTC doesn’t usually play a part in routine Ulcerative Colitis management or IBD surveillance. It can’t assess inflammation or take the specific biopsies needed for these conditions.

Choosing Your Best Option

Deciding between a traditional colonoscopy and CTC (Virtual Colonoscopy) should always happen after discussing with your gastroenterologist. Dr. Sandeep Pal will consider your health, risks, and symptoms to suggest the right option for you.

Whether it’s for screening or to investigate symptoms, our clinic in Chandigarh, serving Mohali, Panchkula, Kharar, Zirakpur, and Patiala, offers advanced options for your colorectal health. We aim to guide you with the best care.