Description. Lithotripsy uses the technique of focused shock waves to fragment a stone in the kidney or the ureter. The patient is placed in a tub of water or in contact with a water-filled cushion, and a shock wave is created which is focused on the stone. The wave shatters and fragments the stone.ithotripsy uses the technique of focused shock waves to fragment a stone in the kidney or the ureter. The patient is placed in a tub of water or in contact with a water-filled cushion, and a shock wave is created which is focused on the stone. The wave shatters and fragments the stone.
Lesions are a common occurrence in the liver, and the prognoses of focal liver lesions vary. The term lesion is broad and includes any wound, sore, ulcer, tumor or other tissue damage of an organ. A focal lesion in the liver refers to one area of tissue damage identified on the liver that has varying significance depending on the patient's health condition and a variety of other factors.
âLesionâ is a general word for a tissue abnormality. Liver lesion is a term doctors use for abnormal areas noted on an imaging test of the liver. Most often, liver lesions are seen on an ultrasound, computed tomogram (CT) scan, or magnetic resonance imaging (MRI) scan. The term âliver lesionâ is a general term. Liver lesions could be anything from harmless cysts in the liver, to areas of cancer spreading from the colon or breast. The appearance of the lesions on imaging, as well as other diagnoses and test results, can often help explain the cause of liver lesions.