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Gastroenterology Profile Image
Gastroenterology

Colonoscopy

Hi Yvette, A colonoscopy is the most accurate screening test for colon cancer in Singapore. However, there are risks and costs involved with the procedure. As such, the stool tests offered (FOBT, FIT) are alternatives for patients who want a low-cost screening tool that dete...
21 Aug 2018
Hi Hui Yi, There is actually no recovery period from the scope itself. However, if you had sedation administered during the procedure, you might suffer a loss of memory or experience drowsiness for up to 12 hours after the procedure depending on the dose and type of sedative used...
21 Aug 2018
If you are above the age of 45, or have a positive family history, it is important to consider a colonoscopy as part of your routine health screening. This is because colorectal cancer is the number 1 cancer in Singapore and more often than not begins as a polyp. Polyps are sma...
21 Aug 2018
Hi Bing Qi, A colonoscopy often begins with the administration of a mild sedative which renders the patient unconscious or drowsy for the duration of the procedure. After which, the colonoscope is inserted into the anus, gas is pumped into the colon and the scope is advanced...
21 Aug 2018
It is not uncommon for doctors to miss polyps during a colonoscopy. There are no figures locally on how often this happens but these can be due to three main factors: Poor bowel preparation causing the polyp to be obscured by stools Small polyps behind the corners or fol...
21 Aug 2018
Hi Adorra, My advice is to gather direct feedback from trusted friends and relatives who have undergone a successful colonoscopy on whom to consider as your endoscopist. In this era of fake news and social media marketing, it is even more important now to distil reviews accuratel...
21 Aug 2018
The patient is often asleep throughout the procedure due to the sedation administered so essentially the patient often has no recollection of the entire procedure. If a patient chooses to undergo the procedure without sedation, the common sensation will be that of abdominal cra...
21 Aug 2018
To find out more about getting a colonscopy in Singapore, you can read my Complete Guide To Colonoscopies In Singapore (2018) . A standard colonoscopy’s sensitivity is in the range of 95 – 98% accurate, while a CT Colonography’s sensitivity can range from 90...
21 Aug 2018
A colonoscope is washed with a special cleaning fluid either manually or by a machine. All channels of the scope are scrubbed and cleaned and frequent audits are mandated where the scopes are cultured to check their level of sterility and to ensure that proper cleaning procedures ...
21 Aug 2018
Hi Cai Shum, A colonoscopy is one of the investigative tools we have to examine the colon, rectum and in some cases the terminal ileum. The alternatives are a computed tomography scan of the colon (also known as a CT Colonography) and a barium enema. The key benefit of perfo...
21 Aug 2018
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