Duodenum tissue smear
A duodenal tissue smear is performed by inserting a special tube through the mouth down into the duodenum. When the tube is in place, it suctions out some of the fluid located in the duodenum. When the procedure is over the tube is removed. The sample is sent to the laboratory for testing. The test is performed to diagnose infection or parasitic infestation of the small bowel.
Last reviewed 5/31/2012 by Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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