The described protocol for treatment of large tumors had a success rate of 87.6% and a local recurrence rate of 24.0%.

Our study showed that the enhancement manifestations of primary malignancies of the liver are related to pathologic types and grades. Contrast-enhanced sonograms may provide the histopathologic information for malignant tumors of the liver.

Contrast-enhanced sonography before percutaneous focal liver lesion biopsy improved the diagnostic accuracy of the procedure by providing important intralesional information for differentiating viable, denaturalized, or necrotic tissue; consequently, by providing more accurate information about the site of biopsy even in lesions < or = 2.0 cm, contrast-enhanced sonography before biopsy reduced the number of puncture attempts.

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