Colonoscopy
Colonoscopy is a test used for evaluating:
- Large intestine,
- The terminal portion of the small intestine.
- Technique
- This procedure is performed under the anaesthesia.
- In this technique through the anus a colonoscope is inserted to examine the inner structures.
- A biopsy is recommended in case of any suspicion, or an endotherapy can be done for the bleeding lesions.
- Indications for colonoscopy are
- Bleeding from the anus
- Loose motions with blood in stool
- Pain in the lower abdomen
- Contrast-enhanced computed tomography (CECT) or ultrasound showing a mass in the colon
- Suspicion of ulcers in small bowel
- Screening colonoscopy in older individuals (>50 years) for early detection of cancer/premalignant lesions
- Therapeutic indication for colonoscopy includes:
- Polypectomy
- Endotherapy of bleeding ulcers
- Stenting of the colon in malignancy associated obstruction
