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Esophageal culture

Esophageal culture is a laboratory test that checks for infection-causing germs in a sample of tissue from the esophagus.

How is the Test Performed?

A sample of tissue from your esophagus is needed. For information on how this is done, see esophagogastroduodenoscopy (EGD).

The sample is sent to a lab, where it is placed in a special dish (culture media) and checked daily to see if any bacteria, fungus, or virus grows.

Other tests may be done to determine what medication can best treat the organism.

Preparation for the Test

There is no preparation needed for a culture. For information on how to prepare for the removal of a piece of esophageal tissue, see EGD.

How will the Test Feel?

The laboratory test is painless and does not involve the patient. For information on how the test to obtain the sample feels, see the article on EGD.

Why is the Test Performed?

Your doctor may order this test if you have signs or symptoms of an esophageal infection or disease, or if an ongoing infection does not respond to treatment.

Normal Results for Esophageal culture

A normal result means that no microorganisms were seen on the laboratory dish.

Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

What Abnormal Results Mean

Abnormal results are a sign of an infection of the esophagus. The infection may be due to bacteria, virus, or fungus.

See also: Esophageal herpes

Esophageal culture Risks

There are no risks related to the culture. For information on risks related to the EGD procedure, see EGD.

Considerations

Other procedures or tests may be done along with an esophageal culture.

References

Falk GW, Katzka DA. Diseases of the esophagus. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 140.

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Review Date: 11/13/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2014 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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