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Bile duct stones are typically removed using endoscopic retrograde cholangiopancreatography (ERCP), a minimally invasive procedure that combines x-ray and upper endoscopyâan exam of the upper gastrointestinal tract, consisting of the esophagus, stomach and duodenum (the first part of the small intestine)âusing an endoscope, which is a lighted, flexible tube, about the thickness of a finger.
ESWL uses shock waves that pass easily through the body but are strong enough to break up a kidney stone. This is the most commonly used medical procedure for treating kidney stones. Ureteroscopy. The surgeon passes a very thin viewing tool (ureteroscope) up the urinary tract to the stone's location, and then he or she uses tools to remove the stone or break it up for easier removal.