Symptoms
Colorectal cancer often does not have any symptoms, but some symptoms associated with colorectal cancer include:
- A change in bowel habits such as diarrhea , constipation , or feeling that the bowel does not empty completely—lasting for more than a few days in people aged 50 and older
- Blood (either bright red or very dark) in the stool
- Stools that are narrower than usual
- Abdominal discomfort (frequent gas pains, bloating, fullness, and/or cramps)
- Unexplained weight loss
- Constant fatigue
These may also be caused by other, less serious health conditions. Anyone experiencing these symptoms should see a doctor.
Diagnosis
The doctor will ask about your symptoms and medical history. A physical exam will be done.
Tests include:
- Digital rectal exam—use of a doctor's gloved finger to examine the rectum for lumps or growths
- Fecal occult blood test —a test to check for hidden blood in the stool
- Barium enema —a rectal injection of barium given to coat the lining of the colon and rectum; done before x-rays, in order to create better image of the lower intestine
- Sigmoidoscopy —an examination of the lower colon using a lighted tube called a sigmoidoscope
- Colonoscopy —examination of the rectum and entire colon using a lighted tube .called a colonoscope
- Polypectomy —the removal of a polyp during a sigmoidoscopy or colonoscopy
- Biopsy —the removal of colon or rectal tissue to be tested for cancer cells
- CT scan —a type of x-ray that uses a computer to make pictures of structures inside the body; to identify the spread of the tumor outside the colon
- MRI scan —a test that uses magnetic waves to make pictures of structures inside the body
- Positron emission tomography (PET) —a test that produces images showing the amount of functional activity in tissue being studied
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2012 EBSCO Publishing All rights reserved.
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