Smartphone-based optical palpation: towards elastography of skin for telehealth applications.
Journal
Biomedical optics express
ISSN: 2156-7085
Titre abrégé: Biomed Opt Express
Pays: United States
ID NLM: 101540630
Informations de publication
Date de publication:
01 Jun 2021
01 Jun 2021
Historique:
received:
09
03
2021
revised:
15
04
2021
accepted:
19
04
2021
entrez:
5
7
2021
pubmed:
6
7
2021
medline:
6
7
2021
Statut:
epublish
Résumé
Smartphones are now integral to many telehealth services that provide remote patients with an improved diagnostic standard of care. The ongoing management of burn wounds and scars is one area in which telehealth has been adopted, using video and photography to assess the repair process over time. However, a current limitation is the inability to evaluate scar stiffness objectively and repeatedly: an essential measurement for classifying the degree of inflammation and fibrosis. Optical elastography detects mechanical contrast on a micrometer- to millimeter-scale, however, typically requires expensive optics and bulky imaging systems, making it prohibitive for wide-spread adoption in telehealth. More recently, a new variant of optical elastography, camera-based optical palpation, has demonstrated the capability to perform elastography at low cost using a standard digital camera. In this paper, we propose smartphone-based optical palpation, adapting camera-based optical palpation by utilizing a commercially available smartphone camera to provide sub-millimeter resolution imaging of mechanical contrast in scar tissue in a form factor that is amenable to telehealth. We first validate this technique on a silicone phantom containing a 5 × 5 × 1 mm
Identifiants
pubmed: 34221649
doi: 10.1364/BOE.424567
pii: 424567
pmc: PMC8221962
doi:
Types de publication
Journal Article
Langues
eng
Pagination
3117-3132Informations de copyright
© 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
Déclaration de conflit d'intérêts
B.F.K. and A.C. hold shares in OncoRes Medical, a startup company developing optical coherence elastography for surgical applications. The other authors declare no conflicts of interest related to this article.
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