Transvaginal fast-scanning optical-resolution photoacoustic endoscopy.
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Photoacoustic endoscopy offers in vivo examination of the visceral tissue using endogenous contrast, but its typical B-scan rate is 10Hz, restricted by the speed of the scanning unit and the laser pulse repetition rate. Here, we present a transvaginal fast-scanning optical-resolution photoacoustic endoscope with a 250-Hz B-scan rate over a 3-mm scanning range. Using this modality, we not only illustrated the morphological differences of vasculatures among the human ectocervix, uterine body, and sublingual mucosa but also showed the longitudinal and cross-sectional differences of cervical vasculatures in pregnant women. This technology is promising for screening the visceral pathological changes associated with angiogenesis.
author list (cited authors)
Qu, Y., Li, C., Shi, J., Chen, R., Xu, S., Rafsanjani, H., ... Wang, L. V.
complete list of authors
Qu, Yuan||Li, Chiye||Shi, Junhui||Chen, Ruimin||Xu, Song||Rafsanjani, Hasan||Maslov, Konstantin||Krigman, Hannah||Garvey, Laura||Hu, Peng||Zhao, Peinan||Meyers, Karen||Diveley, Emily||Pizzella, Stephanie||Muench, Lisa||Punyamurthy, Nina||Goldstein, Naomi||Onwumere, Oji||Alisio, Mariana||Meyenburg, Kaytelyn||Maynard, Jennifer||Helm, Kristi||Slaughter, Janessia||Barber, Sabrina||Burger, Tracy||Kramer, Christine||Chubiz, Jessica||Anderson, Monica||McCarthy, Ronald||England, Sarah K||Macones, George A||Zhou, Qifa||Shung, K Kirk||Zou, Jun||Stout, Molly J||Tuuli, Methodius||Wang, Lihong V