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Endoscopic ultrasonography (EUS) is used to view the walls of your digestive tract and other nearby organs. An ultrasound uses sound waves to make images of the inside of the body. In an EUS, the ultrasound probe is passed down the throat or up the rectum and into digestive tract.
EUS may be used to:
- Diagnose or find the cause of a pain or abnormality in the digestive tract
- Locate and view tumors or abnormalities in the pancreas, bile ducts, and chest cavity
- Understand the extent of certain cancers and whether they have spread to lymph glands or other vital organs
- Take tissue samples ( biopsy ) to diagnose a condition
- Provide needle aspiration (to drain a cyst)
Complications are rare, but no test is completely free of risk. If you are planning to have EUS, your doctor will review a list of possible complications, which may include:
- Mild sore throat for 1-2 days
- Reaction to sedatives
- Regurgitation of stomach contents into the lungs
- Damage to digestive tract
Factors that may increase the risk of complications include:
- Advanced age
- Having other medical conditions
Be sure to discuss these risks with your doctor before the test.
Call Your Doctor
After the test, call your doctor if any of the following occurs:
- Pain or discomfort that does not go away or worsens
- Vomiting blood, blood in stool, or dark black stool
- New or unusual...