Endoscopic ultrasound (EUS)
Endoscopy with an ultrasound probe to assess depth and nearby nodes in the digestive tract.
Not a diagnosis and not final medical advice. Must be reviewed by a doctor.
Purpose of the test
- Assess the depth of tumor invasion.
- Taking lymph node samples.
Informs decisions
- Determination of local staging.
- Preliminary surgical or therapeutic planning.
How the test is done
The ultrasound probe is inserted through the mouth at the same time as the endoscope.
- Sample type
- Non-invasive with possibility of biopsy
- Estimated result time
- Reading results are generally within a few days.
Limitations
- Availability is limited to certain facilities.
- Requires experienced operator.
Related
Cancer types
Not displayed
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Sources
- NCI Dictionary of Cancer Terms(lembaga)
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