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Differential diagnosis of focal liver lesions:Application of contrast-enhanced harmonic ultrasonography with low mechanical index

Wen Yan-ling

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Abstract

Objective To investigate the clinical merit of contrast-enhanced harmonic ultrasonography with low mechanical index in the differential diagnosis of focal liver lesions (FLL). Methods From March 2004 to January 2005, one hundred and twenty-nine patients with FLL were examined by CEHU, contrast-enhanced CT/MR and/or pathology. Results The sensitivity, specificity and accuracy of diagnosing malignant liver tumors by contrast-enhanced harmonic ultrasonography with low mechanical index were 96%?90.7%?93.8% respectively. Conclusions Contrast-enhanced harmonic ultrasonography with low mechanical index is helpful for differentiating benign from malignant focal liver lesions.

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What this paper is about

Objective To investigate the clinical merit of contrast-enhanced harmonic ultrasonography with low mechanical index in the differential diagnosis of focal liver lesions (FLL). Methods From March 2004 to January 2005, one hundred and twenty-nine patients with FLL were examined by CEHU, contrast-enhanced CT/MR and/or pathology. Results The sensitivity, specificity and accuracy of diagnosing malignant liver tumors by contrast-enhanced harmonic ultrasonography with low mechanical index were 96%?90.7%?93.8% respectively. Conclusions Contrast-enhanced harmonic ultrasonography with low mechanical index is helpful for differentiating benign from malignant focal liver lesions.

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Available abstract

Objective To investigate the clinical merit of contrast-enhanced harmonic ultrasonography with low mechanical index in the differential diagnosis of focal liver lesions (FLL). Methods From March 2004 to January 2005, one hundred and twenty-nine patients with FLL were examined by CEHU, contrast-enhanced CT/MR and/or pathology. Results The sensitivity, specificity and accuracy of diagnosing malignant liver tumors by contrast-enhanced harmonic ultrasonography with low mechanical index were 96%?90.7%?93.8% respectively. Conclusions Contrast-enhanced harmonic ultrasonography with low mechanical index is helpful for differentiating benign from malignant focal liver lesions.

Key concepts: Medicine, Mechanical index, Ultrasonography, Differential diagnosis, Contrast (vision), Radiology, Second-harmonic imaging microscopy, Harmonic

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