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.
Non-cancerous blood-filled masses known as hemangiomas are the primary cause of lesions on the liver, according to the California Pacific Medical Center. Other benign causes of hepatic lesions... Non-cancerous blood-filled masses known as hemangiomas are the primary cause of lesions on the liver, according to the California Pacific Medical Center. Other benign causes of hepatic lesions include simple liver cysts, focal nodular hyperplasia, and hepatic adenomas, explains Johns Hopkins Medicine. Liver cancers such as hepatocellular carcinoma can cause malignant lesions on the liver, states the Cleveland Clinic. Liver lesions also appear when cancer from a nearby organ such as the colon metastasizes to the liver, notes WebMD.