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Preoperative Mappin...
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Rohrbach, Daniel J.Department of Cell Stress Biology and PDT Center, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY, 14263, USA
(author)
Preoperative Mapping of Nonmelanoma Skin Cancer Using Spatial Frequency Domain and Ultrasound Imaging
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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Elsevier,2014
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-152324
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-152324URI
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https://doi.org/10.1016/j.acra.2013.11.013DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Rationale and ObjectivesThe treatment of nonmelanoma skin cancer (NMSC) is usually by surgical excision or Mohs micrographic surgery and alternatively may include photodynamic therapy (PDT). To guide surgery and to optimize PDT, information about the tumor structure, optical parameters, and vasculature is desired.Materials and MethodsSpatial frequency domain imaging (SFDI) can map optical absorption, scattering, and fluorescence parameters that can enhance tumor contrast and quantify light and photosensitizer dose. High frequency ultrasound (HFUS) imaging can provide high-resolution tumor structure and depth, which is useful for both surgery and PDT planning.ResultsHere, we present preliminary results from our recently developed clinical instrument for patients with NMSC. We quantified optical absorption and scattering, blood oxygen saturation (StO2), and total hemoglobin concentration (THC) with SFDI and lesion thickness with ultrasound. These results were compared to histological thickness of excised tumor sections.ConclusionsSFDI quantified optical parameters with high precision, and multiwavelength analysis enabled 2D mappings of tissue StO2 and THC. HFUS quantified tumor thickness that correlated well with histology. The results demonstrate the feasibility of the instrument for noninvasive mapping of optical, physiological, and ultrasound contrasts in human skin tumors for surgery guidance and therapy planning.
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Muffoletto, DanielDepartment of Electrical Engineering, University at Buffalo, Buffalo, NY, USA
(author)
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Huihui, JonathanDepartment of Cell Stress Biology and PDT Center, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY, 14263, USA
(author)
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Saager, Rolf B.,1974-Beckman Laser Institute, Irvine, CA, USA(Swepub:liu)rolsa28
(author)
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Keymel, KennethDepartment of Cell Stress Biology and PDT Center, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY, 14263, USA
(author)
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Paquette, AnneDepartment of Dermatology, Roswell Park Cancer Institute, Buffalo, NY, USA
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Morgan, JanetDepartment of Dermatology, Roswell Park Cancer Institute, Buffalo, NY, USA
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Zeitouni, NathalieDepartment of Dermatology, Roswell Park Cancer Institute, Buffalo, NY, USA
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Sunar, UlasDepartment of Cell Stress Biology and PDT Center, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY, 14263, USA
(author)
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Department of Cell Stress Biology and PDT Center, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY, 14263, USADepartment of Electrical Engineering, University at Buffalo, Buffalo, NY, USA
(creator_code:org_t)
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In:Academic Radiology: Elsevier21:2, s. 263-2701076-63321878-4046
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Linköping University