Initial results of imaging melanoma metastasis in resected human lymph nodes using photoacoustic computed tomography

J. Jose, Diederik Grootendorst, Thomas W. Vijn, Michel Wouters, Hester van Boven, Ton van Leeuwen, Wiendelt Steenbergen, Theo J.M. Ruers, Theo J.M. Ruers, Srirang Manohar

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Abstract

The pathological status of the sentinel lymph node is important for accurate melanoma staging, ascertaining prognosis and planning treatment. The standard procedure involves biopsy of the node and histopathological assessment of its status. Drawbacks of this examination include a finite sampling of the node with the likelihood of missing metastases, and a significant time-lag before histopathological results are available to the surgeon. We studied the applicability of photoacoustic computed tomographic imaging as an intraoperative modality for examining the status of resected human sentinel lymph nodes. We first applied the technique to image ex vivo pig lymph nodes carrying metastases-simulating melanoma cells using multiple wavelengths. The experience gained was applied to image a suspect human lymph node. We validated the photoacoustic imaging results by comparing a reconstructed slice with a histopathological section through the node. Our results suggest that photoacoustics has the potential to develop into an intraoperative imaging method to detect melanoma metastases in sentinel lymph nodes.
Original languageEnglish
Pages (from-to)1-5
Number of pages6
JournalJournal of biomedical optics
Volume16
Issue number9
DOIs
Publication statusPublished - 2011

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Photoacoustic effect
lymphatic system
metastasis
Tomography
tomography
Imaging techniques
Biopsy
surgeons
swine
prognosis
Sampling
Planning
Wavelength
planning
time lag
examination
sampling
cyhalothrin
cells
wavelengths

Keywords

  • METIS-278444
  • IR-80017

Cite this

Jose, J. ; Grootendorst, Diederik ; Vijn, Thomas W. ; Wouters, Michel ; van Boven, Hester ; van Leeuwen, Ton ; Steenbergen, Wiendelt ; Ruers, Theo J.M. ; Ruers, Theo J.M. ; Manohar, Srirang. / Initial results of imaging melanoma metastasis in resected human lymph nodes using photoacoustic computed tomography. In: Journal of biomedical optics. 2011 ; Vol. 16, No. 9. pp. 1-5.
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abstract = "The pathological status of the sentinel lymph node is important for accurate melanoma staging, ascertaining prognosis and planning treatment. The standard procedure involves biopsy of the node and histopathological assessment of its status. Drawbacks of this examination include a finite sampling of the node with the likelihood of missing metastases, and a significant time-lag before histopathological results are available to the surgeon. We studied the applicability of photoacoustic computed tomographic imaging as an intraoperative modality for examining the status of resected human sentinel lymph nodes. We first applied the technique to image ex vivo pig lymph nodes carrying metastases-simulating melanoma cells using multiple wavelengths. The experience gained was applied to image a suspect human lymph node. We validated the photoacoustic imaging results by comparing a reconstructed slice with a histopathological section through the node. Our results suggest that photoacoustics has the potential to develop into an intraoperative imaging method to detect melanoma metastases in sentinel lymph nodes.",
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Initial results of imaging melanoma metastasis in resected human lymph nodes using photoacoustic computed tomography. / Jose, J.; Grootendorst, Diederik; Vijn, Thomas W.; Wouters, Michel; van Boven, Hester; van Leeuwen, Ton; Steenbergen, Wiendelt; Ruers, Theo J.M.; Ruers, Theo J.M.; Manohar, Srirang.

In: Journal of biomedical optics, Vol. 16, No. 9, 2011, p. 1-5.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Jose, J.

AU - Grootendorst, Diederik

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AU - van Leeuwen, Ton

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AU - Manohar, Srirang

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AB - The pathological status of the sentinel lymph node is important for accurate melanoma staging, ascertaining prognosis and planning treatment. The standard procedure involves biopsy of the node and histopathological assessment of its status. Drawbacks of this examination include a finite sampling of the node with the likelihood of missing metastases, and a significant time-lag before histopathological results are available to the surgeon. We studied the applicability of photoacoustic computed tomographic imaging as an intraoperative modality for examining the status of resected human sentinel lymph nodes. We first applied the technique to image ex vivo pig lymph nodes carrying metastases-simulating melanoma cells using multiple wavelengths. The experience gained was applied to image a suspect human lymph node. We validated the photoacoustic imaging results by comparing a reconstructed slice with a histopathological section through the node. Our results suggest that photoacoustics has the potential to develop into an intraoperative imaging method to detect melanoma metastases in sentinel lymph nodes.

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