What is a Colonoscopy?
Colonoscopy is a safe and effective method for evaluating problems in the colon by using a colonoscope, which is a small, thin, long, and flexible tube equipped with a video camera and a very small light at the tip. When the colonoscope is properly maneuvered and adjusted, the doctor can move the scope inside the colon in the desired direction. The images captured inside the colon are displayed on a television screen, providing high-quality, clear images and allowing detailed examination of the entire colon, which is more accurate than X-rays.
Currently, the colonoscopy equipment at Phyathai 2 Hospital has an NBI mode that enhances the view of cells or blood vessels more clearly. The color changes from pink to blue, allowing differentiation of cells and blood vessels without the need for dyeing or injection.
Benefits of Colonoscopy
- Identify the cause of abnormalities in the colon
- Used to treat abnormalities that occur
- The best method for colorectal cancer screening
Symptoms That Should Receive a Colonoscopy
- Abnormal bowel movements such as frequent constipation or diarrhea, or alternating constipation and diarrhea
- Stool with blood, which may be bright red or dark in color, with an abnormal foul odor
- Polyps protruding from the anus with bleeding during bowel movements
- Symptoms of abdominal fullness, bloating, indigestion, and abdominal pain
- Detection of an abdominal mass
- Unexplained weight loss, anemia, and fatigue
- People aged 50 and over should undergo colorectal cancer screening with colonoscopy
Preparation Before Colonoscopy
- Inform the doctor about any underlying diseases, surgical history, regular medications, and drug allergies before the appointment
- Three days before the appointment, eat soft, easily digestible foods and avoid high-fiber foods such as vegetables and fruits
- Take laxatives or perform an enema as prescribed by the doctor
- Drink one glass of water every time after bowel movements
- On the night before the examination, fast from food and drink until the procedure or as instructed by the doctor
- Bring a companion to assist during the return trip, as patients will receive sedatives during the colonoscopy
