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Alternative names Return to top
Biopsy - small bowelDefinition Return to top
Small bowel biopsy is a diagnostic procedure in which a portion of the lining of the small intestine is removed for examination.How the test is performed Return to top
Small bowel biopsy samples can be obtained by EGD (esophagogastroduodenoscopy) or other endoscopy of the upper gastrointestinal tract. A flexible tube (endoscope) is inserted through your mouth or nose and into the upper gastrointestinal tract. Tissue samples removed during endoscopy are sent to the laboratory for examination.
How to prepare for the test Return to top
Preparation for this test is similar to that for an EGD. Fasting for at least 4 hours is recommended. You must sign an consent form.
Infants and children:
The preparation you can provide for this test depends on your child's age, previous experiences, and level of trust. For general information regarding how you can prepare your child, see the following topics:
How the test will feel Return to top
The passage of the tube and capsule often makes a person feel like gagging (topical anesthetic is used to minimize this sensation).
A mild sedative can be given, but only in small doses because the person must remain alert enough to assist with the procedure (by doing such things as swallowing and turning). The biopsy sampling causes little or no pain, although it may cause some mild cramping.
Why the test is performed Return to top
This test is most often performed to help diagnose diseases of the small intestines.Normal Values Return to top
Normal small bowel tissue includes finger-like projections (villi), crypts, columnar epithelial cells, and round cells.
What abnormal results mean Return to top
Abnormal findings may include:
Disorders and conditions that may be indicated by changes found on small bowel biopsy include:
Additional conditions under which the test may be performed include lactose intolerance.
What the risks are Return to top
Complications are rare but may include:Special considerations Return to top
Contraindications (factors that prohibit use of this test) may include uncooperative or confused patients, people taking aspirin or anticoagulants (greatly increases risk of bleeding), and people with untreated coagulation (blood clotting) disorders.
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Page last updated: 28 October 2004 |