After extracorporeal lithotripsy observing tiny fragments in the strainer after voiding which are the remains of the stone that has been passed would be the best indicator that the treatment has been effective.
Extracorporeal lithotripsy is a procedure used to break stones inside the bile ducts, urinary tract, or pancreatic duct using a machine called a lithotripter which produces a series of shock waves that are targeted using X-ray.
A surgeon uses an abdominal X-ray or CT scan to determine whether the treatment was successful or not, using X-ray surgeon can locate any fragment of stone that has remained within the kidney or ureter.
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