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Ency. home > Test > C > Culture - duodenal tissue biopsy

Culture - duodenal tissue biopsy   

Overview | Risks | Results

Alternative names:

Duodenal tissue  culture

Definition:

Laboratory examination of a sample of duodenal tissue obtained via endoscopy for the detection and identification of certain microorganisms which are associated with infections.

How the Test is Performed

A duodenal  tissue biopsy is obtained via an upper endoscopy.  You may be given a sedative (or narcotic) to relieve anxiety and discomfort before this test. A local anesthetic is sprayed into the mouth and throat area. A  flexible fiberoptic tube is passed through the mouth, passing through the esophagus and stomach before it enters the duodenum . The tube allows the physician to see the various parts of the upper intestinal tract and take a biopsy (sample) of certain areas of the duodenum.  The sample is then sent for laboratory and pathology examination.

How to Prepare for the Test

You are restricted from food and fluids 12 hours before the test.


Infants and children:
The physical and psychological preparation you can provide for this or any test or procedure depends on your child’s age, interests, previous experience, and level of trust. For specific information regarding how you can prepare your child, see the following topics as they correspond to your child’s age:

How the Test will Feel

You may feel a gagging sensation as the tube is passed down to your esophagus. You may also feel cramping and a feeling of fullness if air is introduced to expand an area. You may  have a sore throat after the procedure..

Why the Test is Performed

A culture of duodenal tissue is done to evaluate for the presence of certain bacteria which may lead to certain conditions - including peptic ulcer disease (Helicobacter pylori). 

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