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. 2022 Feb 22;11(5):1165. doi: 10.3390/jcm11051165

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) Imaging module capable of scanning large breast consisting of (1) Imaging bowl that contains acoustic coupling medium and breast, (2) Optoacoustic transducer array, (3) Large motor to rotate the entire imaging module around the breast, (4) Arc-shaped optical fiber to illuminate the breast with homogeneous beam of light, (5) Small motor to rotate the arc-shaped fiberoptic paddle around the imaging bowl, and (6) preamplifier boards directly connected to the probe. (b) Photograph of the Laser Optoacoustic Ultrasonic Imaging System Assembly (LOUISA-3D) system designed as an examination bed. (c) Maximum amplitude projection images of the breast—(i) sagittal projection, and (ii) coronal projection.