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An endoscopy is a procedure where the inside of your body is examined :-

  • An instrument which is used for endoscopy is called as an endoscope.
  • An endoscope is a long, thin, flexible tube that has a light source and camera at one end.
  • Images of the inside of your body are relayed to a television screen.

Endoscopes can be inserted into the body through a natural opening, such as the mouth and down the throat, or through the bottom.

Sanjivani Cancer Care

When an endoscopy is used?

An endoscopy can be used to:

  • Investigate unusual symptoms.
  • Therapeutic or diagnostic purpose.

An endoscope can also be used to remove a small sample of tissue for further analysis. This is known as a biopsy.

Investigating symptoms:

An endoscopy might be recommended to investigate the following symptoms:

  • Difficulty in swallowing (dysphagia)
  • Persistent abdominal pain
  • Chest pain that is not caused by heart-related conditions
  • Persistent nausea and vomiting
  • Unexplained weight loss
  • Vomiting blood
  • Persistent diarrhoea
  • Blood in your stools

If the food pipe (oesophagus), stomach or first part of the small intestine needs to be examined, it's known as a gastroscopy. If the bowel needs to be examined, it is known as a colonoscopy.

Therapeutic/ Endoscopy:

Modified endoscopes with surgical instruments attached to them or passed through them can be used to carry out certain types of surgery.

For example, they may be used to:

  • Repair a bleeding stomach ulcer
  • Place a stent across an area that has become narrowed or blocked
  • Remove small tumours from the digestive system

The Following Endoscopy Services are provided by Sanjivani Cancer Care for Cancer Patients..

  • Upper GI Endoscopy with NBI Imaging and Biopsy
  • Colonoscopy with NBI Imaging and Biopsy
  • Endoscopic Dilatations
  • Placement of Self Expandable Metallic Stents
  • ERCP


An upper endoscopy takes approximately 10 to 15 minutes. A colonoscopy takes approximately 15 to 30 minutes.
Patients remain in the recovery area 30 to 40 minutes after their procedure.
For most procedures, the fasting times are 6 hours for food including milk and milk products and 2 hours for clear fluids. This may be extended for certain procedures. If extended fasting is required, you will be informed at time of booking.
Patients undergoing a colonoscopy do fast for food up to 24 hours but are encouraged to drink during this time. This will be discussed at pre assessment.
Many people expect that the sedation will "put them to sleep" but this is not the case. Some people feel a little drowsy, but you should expect to feel relaxed and calm but awake. The sedative can give you some amnesia (memory loss) so you may find that you forget some or all your procedure. It can also make you a little unsteady on your feet.
The sedative is optional. All procedures can be carried out with no sedative.
The throat spays used is Lignocaine based and flavoured with Banana essence. It works immediately and the effect last approximately 30 minutes.
Yes. You can stop the procedure at any time.
There will be always a nurse with you so you can tell them, the Endoscopist will be listening to what you say too. During gastroscopy it is difficult to speak so we tell patients to raise their hand in the air as a sign that they need our attention/ want the test to stop.
It is very important that you follow the bowel preparation instructions carefully. If you do not follow the instructions, the bowel lining may not be clean and the Endoscopist will not be able to see any abnormalities that are there. If your bowel is not clean it can mean that you must repeat the bowel preparation again.
After your procedure, the recovery nurse will let you know the outcome of your procedure and give you a copy of the report. It is not always possible to know exactly what the results are especially if biopsies are taken.
In the endoscopy we try to make you as comfortable as possible during your procedure. We often use sedation, analgesia, Entonox (gas and air) and local anaesthetic or combinations of these drugs. It is our aim to make you as comfortable as possible during your procedure, however slight discomfort can be common. During colonoscopy or flexible sigmoidoscopy, a feeling of trapped wind is common and in investigations of the stomach a bloated feeling and burping is very common.