Mapping the architecture of the temporal artery with photoacoustic imaging for diagnosing giant cell arteritis.
Giant cell arteritis
Noninvasive, clinical diagnosis
Photoacoustic imaging
Unsupervised spectral analysis
Journal
Photoacoustics
ISSN: 2213-5979
Titre abrégé: Photoacoustics
Pays: Germany
ID NLM: 101622604
Informations de publication
Date de publication:
Sep 2022
Sep 2022
Historique:
received:
15
01
2022
revised:
02
05
2022
accepted:
01
07
2022
entrez:
7
9
2022
pubmed:
8
9
2022
medline:
8
9
2022
Statut:
epublish
Résumé
Photoacoustic (PA) imaging is rapidly emerging as a promising clinical diagnostic tool. One of the main applications of PA imaging is to image vascular networks in humans. This relies on the signal obtained from oxygenated and deoxygenated hemoglobin, which limits imaging of the vessel wall itself. Giant cell arteritis (GCA) is a treatable, but potentially sight- and life-threatening disease, in which the artery wall is infiltrated by leukocytes. Early intervention can prevent complications making prompt diagnosis of importance. Temporal artery biopsy is the gold standard for diagnosing GCA. We present an approach to imaging the temporal artery using multispectral PA imaging. Employing minimally supervised spectral analysis, we produce histology-like images where the artery wall is clearly discernible from the lumen and further differentiate between PA spectra from biopsies diagnosed as GCA- and GCA+ in 77 patients.
Identifiants
pubmed: 36068803
doi: 10.1016/j.pacs.2022.100384
pii: S2213-5979(22)00049-0
pmc: PMC9441260
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100384Informations de copyright
© 2022 The Authors.
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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