From light to sound: Seeing and hearing the placenta in health and disease
Donghyun Lee, Jiwoong Kim, Jinseok Heo, Hyunseo Jeon, Shiyang Chang, Wonseok Choi, Chulhong Kim, Zhifen Yang
TL;DR
This review discusses ultrasound and photoacoustic imaging techniques for studying the placenta during pregnancy and disease.
Contribution
The paper reviews and suggests future directions for ultrasound and photoacoustic imaging in placental assessment.
Findings
Ultrasound and photoacoustic imaging offer structural and functional insights into placental health.
Photoacoustic imaging can measure blood oxygenation, a key indicator of placental dysfunction.
Advanced ultrasound techniques like 3D power Doppler and shear-wave elastography enhance diagnostic capabilities.
Abstract
The placenta is a pregnancy-specific organ, functioning as the maternal-fetal interface and mediating essential processes including exchange, protection, and endocrine regulation. Placental abnormalities contribute to the pathophysiology, onset, progression, and prognosis of major perinatal disorders, making imaging modalities that enable their detection and monitoring crucial. Ultrasound (US) imaging is the principal modality for placental imaging, providing structural assessment with B-mode and blood flow evaluation with Doppler mode. Furthermore, advanced techniques such as 3D power Doppler, quantitative US, and shear-wave elastography expand the capabilities of placental US imaging. Photoacoustic (PA) imaging enables observation of the optical properties of endogenous chromophores (e.g., hemoglobin) with high spatial resolution and measures blood oxygenation, a key factor in…
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Taxonomy
TopicsPhotoacoustic and Ultrasonic Imaging · Ultrasound and Hyperthermia Applications · Ultrasound Imaging and Elastography