VIRTUAL COLONOSCOPY: IS IT A RELIABLE OPTION? PROS, CONS, AND WHAT TO KNOW

Virtual Colonoscopy: Is It a Reliable Option? Pros, Cons, and What to Know

Virtual Colonoscopy: Is It a Reliable Option? Pros, Cons, and What to Know

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According to a 2019 study, colorectal cancer is the fifth most deadly cancer in the world. So, the tummy aches and digestion problems every other day are not just mere incidents, but they can be indications of something serious. Most people, despite knowing that something is clearly wrong, do not go for a colonoscopy due to pain and discomfort. However, virtual colonoscopy is the complete opposite of traditional colonoscopy. This colon screening does not cause as much comfort as conventional colon screening. It plays a critical role in the early detection of colon cancer and other abnormality. In this post, you will learn what virtual colonoscopy is, how it works, and what its benefits are. 

What is a Virtual Colonoscopy?


A virtual colonoscopy is a modern imaging test that allows the detection of abnormality within the colon and rectum. This scan works on the principle of a CT scan as it does not involve any insertion of the catheter. The modern imaging scan is the opposite of a traditional colonoscopy, which consists of the insertion of a long flexible tube into the colon, with a camera attached to one end. However, the modern tool uses advanced imaging technology to visualize the colon and rectum. 

The main purpose of a virtual colonoscopy is to screen for any tumors, polyps, and abnormalities that might be an indication of colon cancer. This modern-day alternative to traditional scans for colon screening does not allow for the removal of tumors or polyps during the screening procedure. That is why it is a less invasive and comfortable option for those patients who are hesitant and scared of traditional methods.


How does a Virtual Colonoscopy Scan Work?


The virtual colonoscopy procedure starts with bowel preparation, which is identical to the traditional scan. This helps to ensure to get clear images of the scan without any disturbance. During the procedure, the CT scanner helps to take cross-sectional images of the colon and rectum. In some cases,  mild air or carbon dioxide is inflated into the colon to enhance the visualization. This can cause a little discomfort, but it does not cause much pain. 

After that, advanced software processes the images to create 3D images of the colon. This allows doctors to examine for tumors and any other abnormalities. This entire process takes about 10 to 20 minutes, and it does not require any sedation, unlike traditional methods. The procedure also involves exposure to low levels of radiation, which is safe for patients. In that regard, a virtual colonoscopy scan is a convenient option for colon screening for those who prefer a less alternative procedure.  

What are the Pros of Virtual Colonoscopy?


The virtual colonoscopy scan offers many benefits, including the following:

  • First of all,  the process is less invasive. This means that there is no need for the insertion or sedition of a catheter. Patients find this uncomfortable. 

  • Secondly, the entire process is quick and convenient, and it takes only about 10 to 20 minutes as compared to a traditional colonoscopy scan. The conventional procedure requires recovery time as well.

  • Patients often report less discomfort during and after the scan.

  • After the scan,  there is no need for recovery time, and you may continue with your activities.

  • The scan has high accuracy as it detects tumors larger than 5 MM.

  • This scan does not cause any infection or bleeding disorder.


What are the Cons of Virtual Colonoscopy?


Although the virtual colonoscopy scan offers many benefits,  it has some limitations as well, including:

  • First of all, it requires a complete bowel preparation, which includes fasting and having a liquid diet, which might be inconvenient for some patients.

  • This CT scan does not have a therapeutic capability. For example, it does not allow for the removal of polyps or taking tissue for the biopsy during the procedure. If any abnormality is detected, a traditional colonoscopy will be required to screen for the complexities.

  • Another complexity is exposure to tradition. The exposure is minimal; however,  it is not suitable for all patients.

  • The scan is not covered by all insurance health plans, which makes it an expensive procedure.


What to Expect During a Virtual Colonoscopy?


The scan has a simple procedure, but here are a few things that you must prepare for:

  • You will need to clean your bowel either through fasting, laxatives, or both. 

  • Do not wear any jewelry or metal objects that may interfere with the scanner. 

  • If you have an allergy, then it is better to inform your doctor about it. 


In addition to this, always go for a well-known and reputed imaging center for the scan. The reliability and accuracy of the scan depend on the use of equipment as well. ViaScan of Las Colinas adheres to all the guidelines for accurate scanning.

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