Backscattering analysis of high frequency ultrasonic imaging for ultrasound-guided breast biopsy

Thomas Cummins; Takahiro Akiyama; Changyang Lee; Sue E. Martin; K. Kirk Shung

doi:10.1117/12.2253661

13 March 2017 Backscattering analysis of high frequency ultrasonic imaging for ultrasound-guided breast biopsy

Thomas Cummins, Takahiro Akiyama, Changyang Lee, Sue E. Martin, K. Kirk Shung

Proceedings Volume 10139, Medical Imaging 2017: Ultrasonic Imaging and Tomography; 101390R (2017) https://doi.org/10.1117/12.2253661
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

A new ultrasound-guided breast biopsy technique is proposed. The technique utilizes conventional ultrasound guidance coupled with a high frequency embedded ultrasound array located within the biopsy needle to improve the accuracy in breast cancer diagnosis.1 The array within the needle is intended to be used to detect micro- calcifications indicative of early breast cancers such as ductal carcinoma in situ (DCIS). Backscattering analysis has the potential to characterize tissues to improve localization of lesions. This paper describes initial results of the application of backscattering analysis of breast biopsy tissue specimens and shows the usefulness of high frequency ultrasound for the new biopsy related technique. Ultrasound echoes of ex-vivo breast biopsy tissue specimens were acquired by using a single-element transducer with a bandwidth from 41 MHz to 88 MHz utilizing a UBM methodology, and the backscattering coefficients were calculated. These values as well as B-mode image data were mapped in 2D and matched with each pathology image for the identification of tissue type for the comparison to the pathology images corresponding to each plane. Microcalcifications were significantly distinguished from normal tissue. Adenocarcinoma was also successfully differentiated from adipose tissue. These results indicate that backscattering analysis is able to quantitatively distinguish tissues into normal and abnormal, which should help radiologists locate abnormal areas during the proposed ultrasound-guided breast biopsy with high frequency ultrasound.

Conference Presentation

Citation Download Citation

Thomas Cummins, Takahiro Akiyama, Changyang Lee, Sue E. Martin, and K. Kirk Shung "Backscattering analysis of high frequency ultrasonic imaging for ultrasound-guided breast biopsy", Proc. SPIE 10139, Medical Imaging 2017: Ultrasonic Imaging and Tomography, 101390R (13 March 2017); https://doi.org/10.1117/12.2253661

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