<p>Imaging the human body′s morphological and angiographic information is essential for diagnosing, monitoring and treating medical conditions. Here we combine the power of ultrasonography for morphological assessment of soft tissue with photoacoustic tomography (PAT) for visualizing blood vessels to enable three-dimensional (3D) panoramic imaging. Specifically, fast panoramic rotational ultrasound tomography and PAT are integrated for hybrid rotational ultrasound and photoacoustic tomography (RUS-PAT), which obtains 3D ultrasound structural and PAT angiographic images of the human body quasi-simultaneously. The rotational ultrasound tomography functionality is achieved using a single-element ultrasonic transducer for ultrasound transmission and rotating arc-shaped arrays for 3D panoramic detection. By switching the acoustic source to a light source, the system is conveniently converted to PAT mode to acquire angiographic images in the same region. Using RUS-PAT, we successfully imaged the human head, breast, hand and foot with a 10-cm-diameter field of view, submillimetre isotropic resolution and 10 s imaging time for each modality. 3D RUS-PAT is a powerful tool for high-speed, dual-contrast imaging of the human body with potential for rapid clinical translation.</p>

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Rotational ultrasound and photoacoustic tomography of the human body

  • Yang Zhang,
  • Shuai Na,
  • Jonathan J. Russin,
  • Karteekeya Sastry,
  • Li Lin,
  • Junfu Zheng,
  • Yilin Luo,
  • Xin Tong,
  • Yujin An,
  • Peng Hu,
  • Konstantin Maslov,
  • Tze-Woei Tan,
  • Charles Y. Liu,
  • Lihong V. Wang

摘要

Imaging the human body′s morphological and angiographic information is essential for diagnosing, monitoring and treating medical conditions. Here we combine the power of ultrasonography for morphological assessment of soft tissue with photoacoustic tomography (PAT) for visualizing blood vessels to enable three-dimensional (3D) panoramic imaging. Specifically, fast panoramic rotational ultrasound tomography and PAT are integrated for hybrid rotational ultrasound and photoacoustic tomography (RUS-PAT), which obtains 3D ultrasound structural and PAT angiographic images of the human body quasi-simultaneously. The rotational ultrasound tomography functionality is achieved using a single-element ultrasonic transducer for ultrasound transmission and rotating arc-shaped arrays for 3D panoramic detection. By switching the acoustic source to a light source, the system is conveniently converted to PAT mode to acquire angiographic images in the same region. Using RUS-PAT, we successfully imaged the human head, breast, hand and foot with a 10-cm-diameter field of view, submillimetre isotropic resolution and 10 s imaging time for each modality. 3D RUS-PAT is a powerful tool for high-speed, dual-contrast imaging of the human body with potential for rapid clinical translation.