Unspecified Sarah Youssef Profile

Sarah Youssef

at Univ. of Windsor

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Proceedings Article | 16 March 2020 Paper

Quantitative evaluation of skin using high-resolution ultrasound

Fedar Seviaryn, Gregory Schreiner, Sarah Youssef, Anna Maeva, Eugene Malyarenko, Inna Seviaryna, Roman Gr. Maev

Proceedings Volume 11319, 1131916 (2020) https://doi.org/10.1117/12.2549821

KEYWORDS: Skin, Ultrasonics, Ultrasonography, Transducers, Tissues, Imaging systems, Algorithm development, Diagnostics, Image resolution, Acoustics

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High-resolution ultrasonic imaging has been increasingly used in dermatology as a complementary technique for cutaneous lesions assessment. The clinical application of ultra-high frequency ultrasound can reduce the number of invasive procedures, such as biopsies, and assist in surgical planning. The success of ultrasonic methods depends on the ability of modern imaging systems to deliver reliable and interpretable information. We present a new handheld high-resolution ultrasonic imager designed for dermatological use. The device operates at 50-100 MHz and provides B-scan images with up to 4 mm penetration depth and 40μm axial resolution. Adaptive signal processing algorithms allow highlighting anatomical and pathological features of the skin tissue. The primary skin layers, as well as the skin appendages, are clearly detectable on the obtained acoustical images. High-resolution characterization of skin morphology allows assessing the overall condition of the skin and can be used for diagnostic purposes. The new device will be useful for the number of dermatological applications: surgery planning and image-guided intervention, assessment of wound healing and skin grafts, vascular anomalies, inflammatory diseases, and numerous cosmetic complications.

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