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Ultrasonically guided fine needle biopsies were carried out in 84 patients with focal liver lesions and were subsequently evaluated histologically. A correct diagnosis of malignancy was made in 46 of 52 patients with proven hepatic malignancy, showing an overall accuracy of 93%. The specificity of the procedure was 100%. Such histological examination not only enables the differentiation between primary and secondary hepatic malignancy; it has the additional advantage of making a more precise tumour description and at the same time it pinpoints the primary site of the tumour.
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