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Dual Scan Mammoscope (DSM) - A New Portable Photoacoustic Breast Imaging System with Scanning in Craniocaudal Plane

  • Nikhila Nyayapathi
  • , Rachel Lim
  • , Huijuan Zhang
  • , Wenhan Zheng
  • , Yuehang Wang
  • , Melinda Tiao
  • , Kwang W. Oh
  • , X. Cynthia Fan
  • , Ermelinda Bonaccio
  • , Kazuaki Takabe
  • , Jun Xia
  • SUNY Buffalo
  • Windsong Radiology
  • Roswell Park Comprehensive Cancer Center

Research output: Contribution to journalArticlepeer-review

69 Scopus citations

Abstract

Objective: We present a new photoacoustic tomography system that provides visualization of angiographic features in a human breast with mammogram-like images. Methods: The system images a mildly compressed breast, from both top and bottom, using two 128-element, 2.25 MHz linear transducer arrays and line optical fiber bundles. The mild compression is achieved using plastic films, which is a more comfortable experience for the patient compared to rigid metal plates used in a traditional mammogram. Results: We could image a D cup-sized breast of 7 cm thickness within 1 minute and achieve a spatial resolution of around 1 mm in all directions. Conclusion: Our system possesses the benefits of portability, speedy scanning, and patient comfort. The craniocaudal-view images can be easily correlated with existing imaging modalities for data interpretation. Significance: Early cancer detection plays a critical role in overall cancer survival rate. Our system may address the limitations of mammogram and offer a radiation-free screening technique for patients with dense breasts.

Original languageEnglish
Article number8805399
Pages (from-to)1321-1327
Number of pages7
JournalIEEE Transactions on Biomedical Engineering
Volume67
Issue number5
DOIs
StatePublished - May 2020

Keywords

  • breast cancer
  • mammogram
  • Photoacoustic computed tomography (PAT)

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