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Colonoscopy
What is a Colonoscopy?
Colonoscopy is a procedure that enables your doctor to examine the lining of the colon, also known as the large intestine. Colonoscopy is typically done to screen for colon polyps and colon cancer or to search for an explanation of symptoms (e.g. rectal bleeding or diarrhea). An instrument known as a colonoscope, a flexible tube about the thickness of your little finger, is used by the colonoscopy doctor during the colon examination.
There is a light source and camera on the end of the colonoscope; the image is projected onto a video screen. Polyps can be removed with the colonoscope (colon polypectomy) and biopsies (tissue samples) can also be obtained.
Learn More on our Colonoscopy FAQ page »
The Center for Colonoscopy Excellence
The doctors of San Francisco Gastroenterology are proud to invite you to The Center for Colonoscopy Excellence (CCE), 
a division of San Francisco Gastroenterology. Founded by Dr. Frank Farrell, The Center for Colonoscopy Excellence brings together experienced gastroenterologists, nurses, anesthesiologists, and dedicated staff in an accredited, state-of-the-art endoscopy center. Operating out of Golden Gate Endoscopy Center with administrative support from San Francisco Gastroenterology, CCE provides an unparalleled level of patient care for your screening colonoscopy.
Colon cancer remains the second leading cause of cancer-related deaths in the United States, yet only 50% of those who should undergo a screening colonoscopy actually follow through. By providing a safer and more comfortable colonoscopy experience, our aim is to help in the fight against cancer. Our mission is simple: to provide the very best quality experience possible for those undergoing a screening colonoscopy.
Colonoscopy is considered the gold standard test for screening for colon polyps and colon cancer. The procedure takes about 15-20 minutes to perform.
Visit The Center for Colonoscopy ExcellenceSchedule a Colonoscopy
In preparation for a colonoscopy, a colon prep or cleansing solution is administered prior to the procedure to clear the colon of all fecal matter in order to optimally visualize the lining of the colon. Intravenous medication is administered during the colonoscopy to ensure a painless experience.
Learn More About Preparing for a Colonoscopy »
San Francisco Gastroenterology is affiliated with several state-of-the-art endoscopy and colonoscopy centers, all conveniently located in the San Francisco Bay Area. Your GI doctor will decide which center is best suited for your procedure(s) depending upon the complexity of your medical situation and your insurance. All three Bay Area colonoscopy centers offer the latest in equipment and technology and provide excellent nursing and staff services.
Visit San Francisco Gastroenterology
Patients from throughout Northern California visit San Francisco Gastroenterology to receive the highest level of gastrointestinal services and care. Our modern, friendly practice atmosphere attracts patients from Marin County, Oakland, Berkeley, Palo Alto and the entire SF Bay Area. We are the only private GI practice in San Francisco to offer both male and female doctors, both board certified in in the diagnosis and treatment of disorders affecting the digestive tract and liver. Our practice is designed for your comfort and is centrally located in San Francisco. We look forward to caring for you.