Abstract:

Aim: was to evaluate the use of intraoperative ultrasound in examination of patients with liver cancer compared with preoperative diagnostic methods.

Materials and methods: the study involved 650 patients who received surgical treatment for the period 1998-2013 years. During surgical intervention, all patients underwent intraoperative ultrasonography (IOUS) of the liver.

Results: results of preoperative examination methods were compared with intraoperative data, IOUS and histological examination. Sensitivity and accuracy of IOUS is above all methods of preoperative diagnosis, surgical palpation and is 99.7% and 94.9%, respectively Analyzed causes of mistakes of preoperative methods. These related: long time interval before surgical intervention, diameter of formations less then 2 cm, chemotherapy, presence of concomitant cirrhosis, different location of lesions (subcapsular, on the capsular and on the diaphragm of the liver), benign or non-tumorous liver lesions. Changes of operation volume occurred in 38 % cases, 20 % of them - on the base IOUS data.

Conclusions: IOUS provides decisive diagnostic information for the surgeon during the operation which may lead to changes of operation volume, and thus affect outcomes of the disease. Contrast resolution IOUS is actual when oncological operations on the liver are made. Ultrasound professionals should be master of IOUS techniques due to the increasing necessity of its use in clinics dealing with oncological surgery of the liver. 

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