Dr. Soo-Yeon Kim Profile

Dr. Soo-Yeon Kim

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Publications (1)

Proceedings Article | 16 March 2020 Paper

Preliminary data on TruviewMAG to assess the visibility of microcalcifications and image quality of mammograms: comparison with the standard magnification view

Soo-Yeon Kim, Wontaek Seo, Ann Yi, Su Hyun Lee, Su Min Ha, Eun Sil Kim, Kahee Jung, Yong Ju Na, Mijung Jo, Choul Woo Shin, Jung Min Chang

Proceedings Volume 11312, 113125D (2020) https://doi.org/10.1117/12.2549259

KEYWORDS: Mammography, Image quality standards, Visibility, Image quality, Biopsy, Digital mammography, Breast, Image segmentation, Standards development, Spatial resolution

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Purpose: To compare the visibility of microcalcifications and image quality of specimen mammograms obtained with the digital magnification algorithm(TruviewMAG) view and standard magnification view

Materials and Methods: Nineteen women (median age, 49 years; ranges, 38-71 years) who underwent stereotactic biopsy or ultrasound-guided vacuum-assisted biopsy for suspicious microcalcifications detected at mammography were prospectively enrolled. After biopsy, specimen mammograms were obtained to confirm the removal of microcalcifications. A pair of specimen mammogram were obtained with both TruviewMAG view (DRTECH Corp., Seongnam, Korea) and standard magnification view. Four blinded readers independently evaluated visibility of microcalcifications, contrast and resolution of specimen mammograms using a 10-point scale (1, poor; 10, excellent), and preference. In addition to specimen mammograms, we performed pilot clinical test to evaluate the visibility of microcalcifications in two patients.

Results: The visibility of microcalcifications on specimen mammograms obtained with TruviewMAG view was comparable to those obtained with standard magnification view in overall reading (mean, 8.2±1.8 vs. 8.1±1.4, P = .893). The contrast of specimen mammograms obtained with TruviewMAG view was comparable to those obtained with standard magnification view in overall reading (mean, 7.8±1.6 vs. 7.8±1.4, P = .827). The resolution of specimen mammograms obtained with TruviewMAG view was comparable to those obtained with standard magnification view in overall reading (mean, 7.7±1.7 vs. 7.5±1.3, P = .173). Four readers preferred TruviewMAG view and standard magnification view at equal rates. The mean entrance surface dose for TruviewMAG view was 2.88mGy, which was 58.3% reduction compared to 4.94 mGy in standard magnification view. The visibility of microcalcifications were similar in two patients (one with benign fibrocytic change, and the other with invasive ductal carcinoma)

Conclusion: The visibility of microcalcifications and image quality of the specimen mammograms obtained with TruviewMAG view was comparable with those obtained with standard magnification view. In clinical patients data, microcalcifications were well visualized on TruviewMAG view, even though prospective study with larger study population is needed to confirm our finding.

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