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Colorectal Cancer Screening Methods Comparison - There are five main screening methods for colorectal cancer. Digital Rectal Exam,Fecal Occult Blood Test (FOBT), Colonoscopy, Sigmoidoscopy, Double-contrast Barium Enema (DCBE). |
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| Author: David Done |
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Excluding skin cancer, colorectal cancer is this third most common type of cancer in the United States. An estimated 106,680 new cases of colon cancer and 41,930 new cases of rectal cancer will be diagnosed in 2006, according to the American Cancer Society. More than 90% of those diagnosed with this disease are over the age of 50.
Screening Comparison
There are five main colorectal cancer screening methods. At The Center for Colorectal Health, we use the fecal occult blood test (FOBT), the only non-invasive method available. It serves as an excellent initial screening due to its safe, simple and inexpensive nature. For accurate results, hemorrhoids and anal fissure must be treated and resolved prior to FOBT screening to eliminate any known causes of blood in the stool.
Digital Rectal Exam
*PRO: Inexpensive; requires no instrumentation
*CON: Unable to screen for the majority of polyps
Fecal Occult Blood Test (FOBT)
*PRO: Non-invasive; inexpensive; convenient; safe; simple
*CON: Not specific; false positives; some polyps don’t bleed; dietary restrictions
Colonoscopy
*PRO: Gold standard sensitivity; polyps can be removed for testing
*CON: Expensive; sedation required; risk of perforation; dietary restrictions
Sigmoidoscopy
*PRO: Same pro’s as colonoscopy plus: sedation rarely required; faster procedure
*CON: Upper two thirds of colon cannot be screened; risk of perforation
Double-contrast Barium Enema (DCBE)
* PRO: No sedation required; lower cost and less recovery time than colonoscopy
*CON: Less sensitive than colonoscopy; polyps cannot be removed for testing
Two emerging methods—DNA stool testing and virtual colonoscopy—have not yet been endorsed for screening and are not covered by Medicare or most major carriers.
Source: The center for Colorectal Health www.crhcenter.com/physician/colorectal_cancer_screening/screening_comparison.html Colorectal Cancer Screening Comparison.
About Author
David Done specializes in promoting websites for highly competetive terms like(www.crhcenter.com/) and you can reach him at Ani SEO Firm(http://www.doneseo.com/).
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