Manufacture and characterization of breast tissue phantoms for emulating benign lesions

J. A. Villamarín; M. A. Rojas; O. M. Potosi; J. L. Narváez-Semanate; C. Gaviria

doi:10.1117/12.2285935

17 November 2017 Manufacture and characterization of breast tissue phantoms for emulating benign lesions

J. A. Villamarín, M. A. Rojas, O. M. Potosi, J. L. Narváez-Semanate, C. Gaviria

Proceedings Volume 10572, 13th International Conference on Medical Information Processing and Analysis; 105720W (2017) https://doi.org/10.1117/12.2285935
Event: 13th International Symposium on Medical Information Processing and Analysis, 2017, San Andres Island, Colombia

Abstract

Phantoms elaboration has turned a very important field of study during the last decades due to its applications in medicine. These objects are capable of emulating or mimicking acoustically biological tissues in which parameters like speed of sound (SOS) and attenuation are successfully attained. However, these materials are expensive depending on their characteristics (USD $460.00 - $6000.00) and is difficult to have precise measurements because of their composition. This paper presents the elaboration and characterization of low cost (~ USD $25.00) breast phantoms which emulate histological normality and pathological conditions in order to support algorithm calibration procedures in imaging diagnosis. Quantitative ultrasound (QUS) was applied to estimate SOS and attenuation values for breast tissue (background) and benign lesions (fibroadenoma and cysts). Results showed values of the SOS and attenuation for the background between 1410 - 1450 m/s and 0.40 - 0.55 dB/cm at 1 MHz sampling frequency, respectively. On the other hand, the SOS obtained for the lesions ranges from 1350 to 1700 m/s and attenuation values between 0.50 - 1.80 dB/cm at 1 MHz. Finally, the fabricated phantoms allowed for obtaining ultrasonograms comparable with real ones whose acoustic parameters are in agree with those reported in the literature.

Citation Download Citation

J. A. Villamarín, M. A. Rojas, O. M. Potosi, J. L. Narváez-Semanate, and C. Gaviria "Manufacture and characterization of breast tissue phantoms for emulating benign lesions", Proc. SPIE 10572, 13th International Conference on Medical Information Processing and Analysis, 105720W (17 November 2017); https://doi.org/10.1117/12.2285935

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KEYWORDS

Acoustics

Signal attenuation

Tissues

Breast

Ultrasonography

Medical imaging

Transducers

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