For a typical biopsy, results are often returned within 2–3 days. Times vary, depending on the laboratory and the extent of testing needed. The doctor will receive and analyze the results of the gastric biopsy, then explain the results in a follow-up appointment. A doctor will advise against eating or drinking until the gag reflex returns. Gas and pressure generally pass quickly.Ī person may also feel a slight soreness in the throat. Immediately after the procedure, a person may experience bloating and gas because of the air pumped into the stomach and esophagus. A person will often return home the same day. The samples are sent directly to a laboratory for examination. The endoscopy lasts for about 5–20 minutes. The doctor will look for areas that appear abnormal and collect one or more samples of tissue. They will pump small amounts of air alongside the endoscope to expand the area, which allows the doctor to see the tissue better. The doctor will insert the endoscope into their mouth, down the food pipe, and into the stomach. Once prepared, the person will lie on their side. They may also apply localized anesthetic around the mouth to prevent coughing or gagging. Immediately before the biopsy, a person will remove any loose-fitting dentures or dental work.Ī nurse will usually supply intravenous pain medication, a sedative, and a mouth guard to protect both the person’s teeth and the endoscope. However, never stop taking a prescribed medication without first discussing it with a doctor. They may also recommend that a person stops taking certain medications, such as blood thinners, before the procedure. Typically they will ask that a person avoids eating and drinking for 12 hours before the test. How to prepare for a gastric tissue biopsyĪlways follow the doctor’s instructions about what to do before the biopsy. If any bacteria are present, they will grow in the dish and can be identified by a medical professional, who will also look for signs of cancer and inflammation. It involves a doctor inserting a thin, flexible tube with a light and camera at the end through the mouth, into the stomach, and sometimes into the upper intestine.Īttached to the endoscope is a small instrument used to collect a sample of tissue from the lining of the stomach or upper intestine.Īfter the procedure, a doctor will place the sample into a petri dish. A gastric tissue biopsy involves a procedure called an endoscopy.
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