Hepatic malignancies: improved detection with pulse-inversion US in late phase of enhancement with SH U 508A-early experience.
case_series · Level IV
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Abstract
Twenty consecutive patients with known liver malignancies underwent ultrasonography (US) in conventional B mode and in pulse-inversion mode in the late hepatic-specific parenchymal phase after intravenous administration of SH U 508A, a microbubble US contrast agent. Two experienced readers assessed subjective and objective conspicuity, number of lesions, and smallest lesion diameter in each mode. Subjective and objective conspicuity were improved with pulse-inversion mode, and smaller lesions were depicted with pulse-inversion mode than with conventional B mode, improving the detection of metastases less than 1 cm in size.
Medical subject headings
- Carcinoma, Hepatocellular
- Contrast Media
- Image Enhancement
- Liver Neoplasms
- Polysaccharides