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Gastroenterology

Diseases affecting the gastrointestinal tract, which include the organs from mouth into anus, along the alimentary canal, are the focus of this speciality.

Overview

Gastroenterologists perform a number of diagnostic and therapeutic procedures including colonoscopy, endoscopy, endoscopic retrograde cholangiancreatography (ERCP), endoscopic ultrasound and liver biopsy.

Sub-Topics

Stomach flu is also known as viral gastroenteritis, which is the inflammation of the stomach and intestines caused by a virus called Coxsackievirus. The symptoms include those that occur during flu, like fever, cough, sneezing, and blocked nose, as well as gastrointestinal symptoms ...
23 Jan 2020
Polyps in the colon can be broadly classified as pre-cancerous polyps or polyps without cancer potential. The polyps are seen during colonoscopy. Your endoscopist will look at the polyp and magnify the scope to visualise the surface characteristics of the polyp. If all the features ...
17 Jan 2020
Colonic diverticulitis refers to a condition where a small part of the colon wall pouches outward (diverticulum) and gets infected. If the infection is localised (simple diverticulitis), you can be treated with antibiotics alone. The colon can heal well in most cases of simple diver...
17 Jan 2020
As per all cancers, the earlier the stage of the cancer, the higher the chance of cure. In stomach cancer, it is no different. If stomach cancer is in the early stages where there is no spread of cancer to the surrounding tissues or to distant sites, surgery offers the best cha...
10 Jan 2020
Dr Quan Wai Leong
"A specialist in Digestive Health and Advanced Endoscopy"
(5 Reviews)
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If I am correct, you are probably referring to the central region below your chest bone where the ribs meet. This is generally known as the upper abdomen or epigastrium. Pain at this location or the nearby area can originate from surrounding organ structures including: the ...
6 Jan 2020
Cholecystitis or inflammation of the gallbladder is best treated with early removal of the gallbladder (cholecystectomy). In Singapore, it is usually performed as a key-hole procedure (laparoscopic approach) and in expert hands [1] , a single key-hole may only be needed (Single-...
30 Dec 2019
Dr Quan Wai Leong
"A specialist in Digestive Health and Advanced Endoscopy"
(5 Reviews)
Whatsapp
GI bugs or GI pathogens usually gain entry into the body through our mouths. This happens when we ingest contaminated food or water containing such pathogens. In some cases, the pathogens may affect both the respiratory and digestive system such that you experience GI symptoms after...
27 Dec 2019
Dr Quan Wai Leong
"A specialist in Digestive Health and Advanced Endoscopy"
(5 Reviews)
Whatsapp
The tests for GI parasites include microscopic inspection of stool specimens or tissue samples. The stool specimen method can easily be done at any GP clinic and your family doctor will be able to advise you further on how to get a representative sample from your stool. The tis...
27 Dec 2019
Dr Quan Wai Leong
"A specialist in Digestive Health and Advanced Endoscopy"
(5 Reviews)
Whatsapp
CA19-9 is generally considered as a marker for tumours originating from the pancreas and bile duct , although it can also arise from other organs such as the gallbladder, stomach, colon, lung, breast and gynaecological structures. In approximately 5% of the normal population, CA...
7 Dec 2019
Dr Quan Wai Leong
"A specialist in Digestive Health and Advanced Endoscopy"
(5 Reviews)
Whatsapp
The management of liver cirrhosis (hardening) includes: managing the failing functions of the liver, lowering the pressure of the main visceral blood vessel (i.e. the portal vein) and watching out for complications of liver hardening, such as mental state changes, infect...
6 Dec 2019
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Disclaimer: Any answers provided are for general informational purposes only and is not a substitute for professional medical advice. If you think you may have a medical emergency, call your doctor immediately. Always seek the advice of your doctor before starting or changing treatment.

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