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When Should I Worry About Colon Cancer: Warning Signs, Screening Options, and New Developments

Colon Cancer Screening Dallas, Colon Cancer Screening Plano, Colon Cancer Screening Allen

Warning Signs of Colon Cancer

Colon cancer is a significant health concern that requires early detection and prompt treatment. Recognizing the warning signs and symptoms of colon cancer is crucial for timely intervention.

Some of the warning signs and symptoms of colon cancer include:

  • Major changes in bowel habits, such as persistent diarrhea or constipation.

  • Blood in the stool, which may appear bright red or black.

  • Unintentional weight loss without any known cause.

  • Narrower stools that persist over time.

  • Persistent abdominal discomfort, cramps, or pain.

  • Fatigue and weakness.

  • Anemia resulting in a low red blood cell count.

For example, if an individual experiences persistent diarrhea or constipation, it may indicate an underlying issue in the colon. Blood in the stool, whether it is bright red or black, should always be investigated as it can be a sign of colon cancer. Unexplained weight loss, especially if it occurs rapidly, can also be a warning sign. Narrower stools that persist over time may indicate a blockage in the colon. Persistent abdominal discomfort, cramps, or pain should not be ignored, as they can be associated with colon cancer. Fatigue and weakness can be symptomatic of many health conditions, but when combined with other warning signs, it may warrant further investigation. Anemia resulting in a low red blood cell count can be caused by bleeding in the colon.

If you experience any of these warning signs, it is crucial to consult a healthcare professional for further evaluation and appropriate testing. Early detection plays a vital role in improving treatment outcomes and increasing survival rates.

Importance of Early Detection and Screening

Early detection and screening are paramount in the management of colon cancer. Colorectal cancer is the third most commonly diagnosed cancer in the United States. Screening tests can detect colorectal cancer before symptoms appear, allowing for early intervention and improved treatment outcomes.

By detecting colon cancer at an early stage, when it is more localized and has not spread to distant organs, the chances of successful treatment and cure are significantly higher. Screening tests can also detect and remove precancerous polyps, preventing them from developing into cancer. This highlights the importance of regular screening, as it can prevent the onset of colon cancer altogether.

Furthermore, it is worth noting that the incidence of colon cancer is rising among younger adults. This demographic shift emphasizes the need for increased awareness and early screening, even in individuals who may not be considered at high risk based on age alone. By identifying colon cancer at an early stage, healthcare professionals can implement appropriate treatment strategies and improve patient outcomes.

Screening Options for Colon Cancer

Various screening options are available for colon cancer, each with its own benefits and risks. These screening methods include:

  • Stool tests, such as gFOBT (guaiac-based fecal occult blood test), FIT (fecal immunochemical test), and FIT-DNA tests, which can detect blood or altered DNA in the stool.

  • Flexible sigmoidoscopy, which examines the rectum and lower third of the colon for polyps or cancer.

  • Colonoscopy, which is a comprehensive examination of the entire colon for polyps or cancer.

  • CT colonography, also known as virtual colonoscopy, which uses X-rays and computers to produce images of the colon.

Stool tests are non-invasive and can be done at home. They detect the presence of blood or altered DNA in the stool, which may indicate the presence of cancer or precancerous polyps. Flexible sigmoidoscopy allows healthcare professionals to visualize the rectum and lower part of the colon and is often combined with stool testing for a more comprehensive examination. Colonoscopy, considered the gold standard for colon cancer screening, provides a thorough examination of the entire colon and allows for the detection and removal of polyps during the procedure. CT colonography, also known as virtual colonoscopy, uses X-rays and advanced imaging technology to produce detailed images of the colon. This method is less invasive than traditional colonoscopy, but if any abnormalities are found, a follow-up colonoscopy is typically necessary.

Each screening option has its own benefits and risks, and the choice of screening method should be made in consultation with a healthcare professional. Factors such as age, medical history, and personal preferences should be considered when determining the most suitable screening option.

Benefits and Risks of Colonoscopy

Colonoscopy is considered the gold standard for colon cancer screening due to its ability to detect and remove polyps during the procedure. It offers several benefits, including the ability to visualize the entire colon and identify any abnormalities accurately.

During a colonoscopy, a long, flexible tube with a camera is inserted into the rectum, allowing the doctor to examine the colon. If polyps are found, they can be removed during the procedure, reducing the risk of these polyps developing into cancer. This preventive aspect of colonoscopy is a significant advantage, as it can potentially save lives by preventing the onset of colon cancer.

However, it is important to recognize that colonoscopy, like any medical procedure, carries certain risks. These risks may include perforation of the colon, bleeding, and adverse reactions to sedation. The overall benefits of early detection and prevention through colonoscopy outweigh the risks associated with the procedure. It is important to discuss these risks with a healthcare professional to make an informed decision about undergoing a colonoscopy.

Screening Guidelines for Colorectal Cancer

Screening guidelines for colorectal cancer recommend regular screening for average-risk individuals starting at age 45. However, people at increased risk, such as those with a personal or family history of colon or rectal cancer or polyps, may require earlier or more frequent screening.

The choice of screening test and frequency should be based on individual factors such as age, medical history, and personal preferences. Healthcare professionals can help determine the most appropriate screening guidelines for each person based on their unique circumstances.

It is worth noting that health insurance, including Medicare, typically covers colorectal cancer screening. It is important to check with your insurance provider to understand the coverage details and any potential out-of-pocket costs associated with the screening.

By following the recommended screening guidelines, individuals can increase their chances of detecting colon cancer at an early stage when treatment is most effective.

New Developments in Colorectal Cancer Screening

Research and development in the field of colorectal cancer screening continue to explore new and improved testing methods. Some emerging tests being developed include capsule colonoscopy, blood-based circulating tumor cell tests, and urine-based metabolite tests.

Capsule colonoscopy involves swallowing a pill-sized camera that takes images as it passes through the digestive tract, providing a non-invasive option for visualizing the colon. Blood-based circulating tumor cell tests analyze blood samples for circulating tumor cells, which can indicate the presence of colon cancer. Urine-based metabolite tests detect specific compounds in urine that may be associated with colon cancer.

These new tests aim to improve the accuracy and convenience of colorectal cancer screening. However, it is important to note that these tests are still being studied and may not be widely available yet. Clinical trials are being conducted to evaluate their effectiveness and safety in detecting colon cancer. It is important to stay informed about advancements in screening technology and consult with a healthcare professional for the most up-to-date information.

Risk Factors for Colon Cancer

Several risk factors are associated with an increased likelihood of developing colon cancer. These risk factors include:

  • Personal history of colon or rectal cancer: Individuals who have previously had colon or rectal cancer are at a higher risk of developing colon cancer in the future.

  • Adenomatous polyps: Adenomatous polyps are precursors to colon cancer. Individuals who have had these types of polyps are at an increased risk.

  • Chronic inflammatory bowel disease: Conditions such as ulcerative colitis or Crohn's disease, which involve chronic inflammation of the colon, can increase the risk of colon cancer.

  • Family history: Having a close relative, such as a parent or sibling, who has had colon or rectal cancer or polyps increases the risk.

  • Lifestyle factors: Certain lifestyle factors, such as obesity, smoking, unhealthy diets, heavy alcohol intake, and physical inactivity, have been associated with a higher risk of developing colon cancer.

It is important to be aware of these risk factors and take proactive steps to reduce the risk of developing colon cancer. This includes undergoing regular screening, maintaining a healthy lifestyle, and discussing personal risk factors with a healthcare professional.

Finding GI Doctors in Dallas and Plano

If you are looking for gastrointestinal (GI) doctors in Dallas or Plano who specialize in colonoscopy procedures, there are a few ways to find them. One option is to research online directories that list healthcare providers in the area. Many websites provide search tools and filters that allow you to narrow down your options based on location and specialty.

Another way to find GI doctors in Dallas and Plano is to contact local hospitals or medical centers. They often have directories or referral services that can help you find qualified doctors who specialize in colonoscopy procedures. Additionally, seeking recommendations from your primary care physician or friends and family members who have undergone colonoscopy procedures can provide valuable insights and help you find reputable doctors.

Dr. Stuart Akerman is a Board Certified Gastroenterologist by both the ABIM and NBPAS boards, who has been performing high quality colonoscopy for over a decade. You can request an appointment for Consultation, or even request a Direct Colonoscopy for healthy eligible patients.


Being aware of the warning signs and symptoms of colon cancer is essential for early detection and timely treatment. Through regular screening, such as colonoscopy, individuals can detect and prevent colon cancer, leading to improved treatment outcomes and increased survival rates. Consulting with a GI doctor specializing in colonoscopy procedures is important for personalized screening recommendations.

By following the recommended screening guidelines and staying informed about advancements in screening technology, individuals can take proactive steps to protect their health and well-being. Early detection plays a vital role in the successful management of colon cancer, and through awareness and screening, lives can be saved.


DISCLAIMER: Please note that this blog is intended for Informational Use only and is not intended to replace personal evaluation and treatment by a medical provider. The information provided on this website is not intended as a substitute for medical advice or treatment. Please consult your doctor for any information related to your personal care.


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