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The SOLUS instrument: Optical characterization of the first hand-held probe for multimodal imaging (ultrasound and multi-wavelength time-resolved diffuse optical tomography).

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Title: The SOLUS instrument: Optical characterization of the first hand-held probe for multimodal imaging (ultrasound and multi-wavelength time-resolved diffuse optical tomography).
Authors: Maffeis, Giulia1 (AUTHOR) giulia.maffeis@polimi.it, Di Sieno, Laura1 (AUTHOR), Dalla Mora, Alberto1 (AUTHOR), Pifferi, Antonio1,2 (AUTHOR), Tosi, Alberto3 (AUTHOR), Conca, Enrico3 (AUTHOR), Giudice, Andrea4 (AUTHOR), Ruggeri, Alessandro4 (AUTHOR), Tisa, Simone4 (AUTHOR), Flocke, Alexander5 (AUTHOR), Rosinski, Bogdan6 (AUTHOR), Dinten, Jean-Marc7 (AUTHOR), Perriollat, Mathieu7 (AUTHOR), Lavaud, Jonathan8 (AUTHOR), Arridge, Simon9 (AUTHOR), Di Sciacca, Giuseppe9 (AUTHOR), Farina, Andrea2 (AUTHOR), Panizza, Pietro10 (AUTHOR), Venturini, Elena10 (AUTHOR), Gordebeke, Peter11 (AUTHOR)
Source: Optics & Lasers in Engineering. May2024, Vol. 176, pN.PAG-N.PAG. 1p.
Subjects: Optical instruments, Optical tomography, Ultrashort laser pulses, Imaging systems, Optical devices, Doppler ultrasonography
Abstract: • First miniaturization of an 8-wavelength (640–1050 nm) US-guided diffuse optical tomography device in time domain. • Optical performance assessment on tissue-mimicking phantoms. • SOLUS system for the multiparametric non-invasive diagnosis of breast cancer. • Example of in vivo measurement. SOLUS is a multimodal imaging system comprising the first miniaturized handheld device to perform time domain Diffuse Optical Tomography at 8 visible and near infrared wavelengths. The hand-held probe also includes B-mode ultrasounds, Shear Wave Elastography and Color Doppler sonography, being its first goal the multiparametric non-invasive diagnosis of breast cancer. This work aims at presenting the system and its main capabilities, focusing on the optical characterization carried out to assess the overall performance of the developed photonics technologies (picosecond pulsed lasers, high-sensitive time-gated sensors and integrated electronics) and of the software for tomographic reconstructions (perturbative model based on Born approximation). Systematic measurements performed on tissue-mimicking phantoms, reproducing a perturbation (e.g., a lesion) in a homogenous background, helped understand the system efficiency range. Variations in absorption are tracked with acceptable quality, which is key to estimate tissue composition, up to 0.25 cm−1 for the bulk (relative error on average of 16 %) and 0.16 cm−1 for sufficiently big perturbations (relative error on average of 26 % for 6 cm3 inhomogeneities). Instead, the system showed low sensitivity to a localized perturbation in scattering and a relative error on average of 17 % for the scattering bulk assessment. An example case of clinical measurement is also discussed. [ABSTRACT FROM AUTHOR]
Copyright of Optics & Lasers in Engineering is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 175774428
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: The SOLUS instrument: Optical characterization of the first hand-held probe for multimodal imaging (ultrasound and multi-wavelength time-resolved diffuse optical tomography).
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  Data: <searchLink fieldCode="AR" term="%22Maffeis%2C+Giulia%22">Maffeis, Giulia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> giulia.maffeis@polimi.it</i><br /><searchLink fieldCode="AR" term="%22Di+Sieno%2C+Laura%22">Di Sieno, Laura</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dalla+Mora%2C+Alberto%22">Dalla Mora, Alberto</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pifferi%2C+Antonio%22">Pifferi, Antonio</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tosi%2C+Alberto%22">Tosi, Alberto</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Conca%2C+Enrico%22">Conca, Enrico</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Giudice%2C+Andrea%22">Giudice, Andrea</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ruggeri%2C+Alessandro%22">Ruggeri, Alessandro</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tisa%2C+Simone%22">Tisa, Simone</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Flocke%2C+Alexander%22">Flocke, Alexander</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rosinski%2C+Bogdan%22">Rosinski, Bogdan</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dinten%2C+Jean-Marc%22">Dinten, Jean-Marc</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Perriollat%2C+Mathieu%22">Perriollat, Mathieu</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lavaud%2C+Jonathan%22">Lavaud, Jonathan</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Arridge%2C+Simon%22">Arridge, Simon</searchLink><relatesTo>9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Di+Sciacca%2C+Giuseppe%22">Di Sciacca, Giuseppe</searchLink><relatesTo>9</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Farina%2C+Andrea%22">Farina, Andrea</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Panizza%2C+Pietro%22">Panizza, Pietro</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Venturini%2C+Elena%22">Venturini, Elena</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gordebeke%2C+Peter%22">Gordebeke, Peter</searchLink><relatesTo>11</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Optics+%26+Lasers+in+Engineering%22">Optics & Lasers in Engineering</searchLink>. May2024, Vol. 176, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Optical+instruments%22">Optical instruments</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+tomography%22">Optical tomography</searchLink><br /><searchLink fieldCode="DE" term="%22Ultrashort+laser+pulses%22">Ultrashort laser pulses</searchLink><br /><searchLink fieldCode="DE" term="%22Imaging+systems%22">Imaging systems</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+devices%22">Optical devices</searchLink><br /><searchLink fieldCode="DE" term="%22Doppler+ultrasonography%22">Doppler ultrasonography</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • First miniaturization of an 8-wavelength (640–1050 nm) US-guided diffuse optical tomography device in time domain. • Optical performance assessment on tissue-mimicking phantoms. • SOLUS system for the multiparametric non-invasive diagnosis of breast cancer. • Example of in vivo measurement. SOLUS is a multimodal imaging system comprising the first miniaturized handheld device to perform time domain Diffuse Optical Tomography at 8 visible and near infrared wavelengths. The hand-held probe also includes B-mode ultrasounds, Shear Wave Elastography and Color Doppler sonography, being its first goal the multiparametric non-invasive diagnosis of breast cancer. This work aims at presenting the system and its main capabilities, focusing on the optical characterization carried out to assess the overall performance of the developed photonics technologies (picosecond pulsed lasers, high-sensitive time-gated sensors and integrated electronics) and of the software for tomographic reconstructions (perturbative model based on Born approximation). Systematic measurements performed on tissue-mimicking phantoms, reproducing a perturbation (e.g., a lesion) in a homogenous background, helped understand the system efficiency range. Variations in absorption are tracked with acceptable quality, which is key to estimate tissue composition, up to 0.25 cm−1 for the bulk (relative error on average of 16 %) and 0.16 cm−1 for sufficiently big perturbations (relative error on average of 26 % for 6 cm3 inhomogeneities). Instead, the system showed low sensitivity to a localized perturbation in scattering and a relative error on average of 17 % for the scattering bulk assessment. An example case of clinical measurement is also discussed. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Optics & Lasers in Engineering is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.optlaseng.2024.108075
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Optical instruments
        Type: general
      – SubjectFull: Optical tomography
        Type: general
      – SubjectFull: Ultrashort laser pulses
        Type: general
      – SubjectFull: Imaging systems
        Type: general
      – SubjectFull: Optical devices
        Type: general
      – SubjectFull: Doppler ultrasonography
        Type: general
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      – TitleFull: The SOLUS instrument: Optical characterization of the first hand-held probe for multimodal imaging (ultrasound and multi-wavelength time-resolved diffuse optical tomography).
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              Text: May2024
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