Open in App
Open in App
iconHealth Checkups
iconLab Tests
iconSample Tracking
iconDownload Report

Five Things to Know about Colorectal Cancer Screening


The third most frequent cancer worldwide, colorectal cancer affects both men and women. It can be a silent and deadly disease, but the good news is that it's often preventable and highly treatable when detected early through screening. In this comprehensive guide, we'll delve into the various aspects of colorectal cancer screening, from its variability among individuals to the recommended age for screening, the importance of screenings for asymptomatic individuals, the different screening test options, and the prevention of colorectal cancer.

Colorectal Scr2ening Variability:

Colorectal screening is not a one-size-fits-all approach. It can vary significantly for individuals based on various factors such as age, family history, and personal health. Understanding this variability is crucial for tailoring screening plans that are appropriate for each person.

Age is a significant factor. For most individuals, regular colorectal cancer screening is recommended to begin at the age of 50. However, it's important to note that some people may need to start earlier due to specific risk factors. For instance, those with a family history of colorectal cancer or certain genetic conditions like Lynch syndrome may need to begin screening at an earlier age.

Family history can significantly impact an individual's risk. If you have a first-degree relative (parent, sibling, or child) who has had colorectal cancer, your risk of developing the disease is higher. In such cases, it's important to consult with a healthcare provider to determine when you should begin screening.

Moreover, personal health plays a role in the choice of screening methods. Some individuals may have certain medical conditions that make certain screening tests less ideal, and alternative methods may be recommended. Your healthcare provider will help you decide which screening approach is most suitable for you.

Recommended Ag2 for Colorectal Screening:

As previously mentioned, the recommended age for regular colorectal cancer screening is typically 50. This is based on the understanding that the risk of developing colorectal cancer significantly increases with age, and screening becomes more crucial.

However, it's important to acknowledge that there are exceptions to this guideline. Individuals with specific risk factors or those with a family history of colorectal cancer may need to begin screening earlier. The goal of early screening is to detect precancerous growths, called polyps, and remove them before they develop into cancer. This preventive measure can reduce the risk of developing colorectal cancer and increase the chances of successful treatment if cancer is detected.

Importance of 2creenings for Asymptomatic Individuals:

Colorectal cancer often progresses silently in its early stages. Symptoms may not appear until the disease has reached an advanced, and potentially untreatable, stage. This is why asymptomatic screening is so vital. Asymptomatic individuals are those who do not exhibit any symptoms of colorectal cancer, such as changes in bowel habits, rectal bleeding, or abdominal pain.

Even if you feel perfectly healthy and have no family history of colorectal cancer, you may still be at risk. Many individuals diagnosed with colorectal cancer have no family history and did not experience any symptoms. This underscores the importance of regular screenings, even when you are feeling well.

Screening for colorectal cancer in asymptomatic individuals involves a range of tests, each with its own advantages and considerations. These tests are designed to detect colorectal cancer or precancerous polyps in their early stages when treatment is most effective.

Various Screen2ng Test Options:

Several screening options are available for colorectal cancer, and your choice may depend on various factors, including your age, medical history, and personal preferences. Here are some of the most common screening methods:


A colonoscopy is a widely used screening method that involves the examination of the entire colon and rectum using a flexible, lighted tube called a colonoscopy. This procedure allows the doctor to detect polyps and remove them during the examination.

Fecal Occult Blood Test (FOBT):

FOBT is a non-invasive test that checks for hidden blood in the stool. It can detect bleeding from polyps or colorectal cancer. This test is typically done annually.


Sigmoidoscopy is similar to colonoscopy but examines only the lower part of the colon. While it may not detect polyps in the upper colon, it can identify growths in the rectum and lower colon.

Virtual Colonoscopy (CT Colonography):

This test generates fine-grained pictures of the colon using a CT scanner. Bowel preparation is still necessary even though there is no physical scope involved.

Stool DNA Testing:

This test detects specific DNA markers associated with colorectal cancer in the stool. It is less invasive than a colonoscopy and may be recommended for some individuals.

Double-Contrast Barium Enema:

This involves a series of X-rays of the colon and rectum after the patient is given an enema with a barium solution.

It's important to consult with your healthcare provider to determine which screening method is best suited to your individual circumstances. Factors such as your age, risk factors, and medical history will all be taken into account when making this decision.

Prevention of 2olorectal Cancer:

The prevention of colorectal cancer is one of the key goals of regular screening. Early detection can lead to the removal of precancerous polyps, reducing the risk of colorectal cancer development. Here are some additional steps you can take to reduce your risk:

Healthy Lifestyle:

Maintain a healthy lifestyle by eating a balanced diet, exercising regularly, and avoiding tobacco and excessive alcohol consumption. These factors can influence your risk of developing colorectal cancer.

Family History:

If you have a family history of colorectal cancer or other risk factors, consider genetic counselling to understand your risk more comprehensively.

Early Detection and Prompt Treatment:

If you have been screened and a precancerous polyp or colorectal cancer is detected, follow your healthcare provider's recommendations for treatment and monitoring.

Stay Informed:

Keep yourself informed about colorectal cancer, screening guidelines, and any advancements in prevention and treatment options.


In conclusion, colorectal cancer screening is a critical component of maintaining good health and preventing a potentially devastating disease. Whether you're considering your first screening or are due for a follow-up, staying informed about your options and the importance of regular check-ups is essential. Early detection through screening is often the key to a successful outcome in colorectal cancer cases.

At Asto Labs, we understand the significance of early detection and provide reliable, expert screenings. We encourage you to take charge of your health and schedule your colorectal cancer screening with us. By doing so, you're taking a proactive step toward a healthier and happier future. Your health is too important to leave to chance – act today and protect yourself against colorectal cancer.

Blog Posts