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KMID : 0357520080310010061
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Journal of Radiological Science and Technology
2008 Volume.31 No. 1 p.61 ~ p.69
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Observation with Calcifications of Breast Tissue Phantoms Using Acoustic Resonance
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Ha Myeung-Jin
Kim Jeong-Koo
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Abstract
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Diagnosis of breast ultrasound is better than mammography in the early detection of breast cancer, but, it is difficult to detect microcalcification. We studied on detection for calcification of breast tissue using acoustic resonance and power doppler with 7.5 MHz linear probe in breast ultrasound. We first constructed breast tissue phantom made of gelatin and saw breast, and then observed calcification by the change of external vibration. Calcification injected breast tissue phantom visualized the difference for brightness and region of color in ROI regions of power doppler. Acoustic resonance almost never visualized in low frequency regions, plateau constituted in about 300-400 Hz and colors vanished according to the increase of frequency.
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KEYWORD
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acoustic resonance, power doppler, calcification, brest tissue phantom
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