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Aguirre Bueno, J. ; Schwarz, M. ; Garzorz-Stark, N. ; Omar, M. ; Bühler, A. ; Eyerich, K. ; Ntziachristos, V.

Precision assessment of label-free psoriasis biomarkers with ultra-broadband optoacoustic mesoscopy.

Nat. Bio. Eng. 1:0068 (2017)
Postprint DOI
Open Access Green
Imaging plays a critical role in the diagnosis and assessment of dermatological conditions. However, optical or optoacoustic microscopy techniques are limited to visualizing superficial skin features owing to strong photon scattering, whereas ultrasound methods, which can probe deeper-seated tissue, lack the contrast to image pathophysiological mechanisms in detail. Here, we demonstrate that raster-scan optoacoustic mesoscopy (RSOM) implemented in ultra-broadband (10–180 MHz) detection mode bridges the depth capabilities of ultrasound and the resolution range and high contrast of optical methods in clinical dermatology. Using tomographic reconstruction and frequency equalization to represent low and high spatial-frequency components, we visualize skin morphology and vascular patterns in the dermis and sub-dermis of psoriasis patients, enabling quantification of inflammation and other biomarkers of psoriasis without the need for contrast agents. Implemented in a handheld device, we showcase how label-free biomarkers detected by RSOM correlate with clinical score. The method can also be extended to assess a larger spectrum of dermatological conditions.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Optical Coherence Tomography; Human Skin; Frequency; Challenges; Severity
Sprache englisch
Veröffentlichungsjahr 2017
HGF-Berichtsjahr 2017
ISSN (print) / ISBN 2157-846X
e-ISSN 2157-846X
Zeitschrift Nature biomedical engineering
Quellenangaben Band: 1, Heft: 5, Seiten: , Artikelnummer: 0068 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London ; New York NY ; Tokyo
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Biological and Medical Imaging (IBMI)
Institute for Allergy Research (IAF)
POF Topic(s) 30205 - Bioengineering and Digital Health
30202 - Environmental Health
Forschungsfeld(er) Enabling and Novel Technologies
Allergy
PSP-Element(e) G-505500-001
G-505490-001
G-505400-001
DOI 10.1038/s41551-017-0068
WOS ID WOS:000418855700002
Erfassungsdatum 2017-07-26
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