The results of ultrasound diagnostics of focal fluid lesions of the liver in 132 patients are presented. Echographic semiotics of abscesses and nonparasitic cycts of the liver is described. The possibilities of using transcutaneous minimally invasive puncture and drainage methods in 80 patients under ultrasound control were analyzed. We formulated indications and contraindications to puncture-aspiration and puncture-drainage operations, methods of sclerotherapy of cysts and techniques of drainage and sanitation of the abscess cavities. The results of treatment of focal fluid lesions of the liver by minimally invasive methods of surgery under ultrasound control were thoroughly analyzed. These techniques permit achieving good results with few complications and minimal lethality. The methods can be recommended for wider use in practical work.
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