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Assessment of normal liver contrast ultrasonography by transient response second harmonic imaging in dogs

Gao Yun

Abstract

Objective: To evaluate liver contrast effects and principle with tansient response second harmonic imaging (TRSHI) Methods: Six dogs were imaged with conventional harmonic imaging and TRSHI after intravenous injection of ultrasound contrast agent The subjective scores and video intensities were recorded and analyzed Results: TRSHI scored significantly higher in subjective evaluation than conventional imaging The video intensities obtained from conventional imaging and TRSHI were 129 06+17 36 and 161 24+12 8 respectively (P 0 01) Conclusion: TRSHI can markedly enhance the contrast image of normal liver Thus it is better than conventional second harmonic imaging

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Key concepts: Second-harmonic imaging microscopy, Contrast (vision), Ultrasonography, Ultrasound, Ultrasound imaging, Harmonic, Medicine, Nuclear medicine