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Near-infrared fluorescence imaging improves the nodal yield in neck dissection in oral cavity cancer - A randomized study

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@article{cf73a4b931044ae683ffdd9bf6c98e55,
title = "Near-infrared fluorescence imaging improves the nodal yield in neck dissection in oral cavity cancer - A randomized study",
abstract = "INTRODUCTION: Lymph node yield (LNY) in neck dissection has been identified as a prognostic factor in oral cavity cancer. The purpose of this study was to investigate the impact of additional use of optical imaging on LNY in therapeutic ND in oral cancer.METHODS: Consecutive patients with oral squamous cell carcinoma with clinical neck metastasis planned for primary tumor resection were randomized to conventional neck dissection or near-infrared fluorescence (NIRF)-guided neck dissection, respectively. In the intervention group, patients were injected with ICG-Nanocoll prior to surgery. Intraoperatively, an optical hand-held camera system was used for lymph node identification. Also, NIRF imaging of the neck specimen was performed, and optical signals were pinned with needle markings to guide the pathological examination. The endpoint of the study was LNY per neck side in levels Ib-III.RESULTS: 31 patients were included with 18 neck sides in the control group and 18 neck sides in the intervention group for evaluation. During NIRF-guided ND, individual lymph nodes could be identified by a bright fluorescent signal and individual tumor-related drainage patterns could be observed in the neck. The LNY in the intervention group was significantly higher compared to the control group (p = 0.032) with a mean of 24 LN (range: 12-33 LN in levels Ib-III compared to 18 LN (range: 10-36 LN) in the control group, respectively.CONCLUSIONS: NIRF-guided ND significantly improved the nodal yield compared to the control group. Intraoperative real-time optical imaging enabled direct visualization of tumor-related drainage patterns within the neck lymphatics.",
keywords = "Indocyanine green, Lymph node ratio, Lymph node yield, Near-infrared fluorescence imaging, Neck dissection, Oral cavity cancer",
author = "Anders Christensen and Karina Juhl and Katalin Kiss and Giedrius Lelkaitis and Charabi, {Birgitte Wittenborg} and Jann Mortensen and Andreas Kj{\ae}r and {von Buchwald}, Christian",
note = "Copyright {\circledC} 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.",
year = "2019",
month = "11",
doi = "10.1016/j.ejso.2019.06.039",
language = "English",
volume = "45",
pages = "2151--2158",
journal = "European Journal of Surgical Oncology",
issn = "0748-7983",
publisher = "W.B./Saunders Co. Ltd",
number = "11",

}

RIS

TY - JOUR

T1 - Near-infrared fluorescence imaging improves the nodal yield in neck dissection in oral cavity cancer - A randomized study

AU - Christensen, Anders

AU - Juhl, Karina

AU - Kiss, Katalin

AU - Lelkaitis, Giedrius

AU - Charabi, Birgitte Wittenborg

AU - Mortensen, Jann

AU - Kjær, Andreas

AU - von Buchwald, Christian

N1 - Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.

PY - 2019/11

Y1 - 2019/11

N2 - INTRODUCTION: Lymph node yield (LNY) in neck dissection has been identified as a prognostic factor in oral cavity cancer. The purpose of this study was to investigate the impact of additional use of optical imaging on LNY in therapeutic ND in oral cancer.METHODS: Consecutive patients with oral squamous cell carcinoma with clinical neck metastasis planned for primary tumor resection were randomized to conventional neck dissection or near-infrared fluorescence (NIRF)-guided neck dissection, respectively. In the intervention group, patients were injected with ICG-Nanocoll prior to surgery. Intraoperatively, an optical hand-held camera system was used for lymph node identification. Also, NIRF imaging of the neck specimen was performed, and optical signals were pinned with needle markings to guide the pathological examination. The endpoint of the study was LNY per neck side in levels Ib-III.RESULTS: 31 patients were included with 18 neck sides in the control group and 18 neck sides in the intervention group for evaluation. During NIRF-guided ND, individual lymph nodes could be identified by a bright fluorescent signal and individual tumor-related drainage patterns could be observed in the neck. The LNY in the intervention group was significantly higher compared to the control group (p = 0.032) with a mean of 24 LN (range: 12-33 LN in levels Ib-III compared to 18 LN (range: 10-36 LN) in the control group, respectively.CONCLUSIONS: NIRF-guided ND significantly improved the nodal yield compared to the control group. Intraoperative real-time optical imaging enabled direct visualization of tumor-related drainage patterns within the neck lymphatics.

AB - INTRODUCTION: Lymph node yield (LNY) in neck dissection has been identified as a prognostic factor in oral cavity cancer. The purpose of this study was to investigate the impact of additional use of optical imaging on LNY in therapeutic ND in oral cancer.METHODS: Consecutive patients with oral squamous cell carcinoma with clinical neck metastasis planned for primary tumor resection were randomized to conventional neck dissection or near-infrared fluorescence (NIRF)-guided neck dissection, respectively. In the intervention group, patients were injected with ICG-Nanocoll prior to surgery. Intraoperatively, an optical hand-held camera system was used for lymph node identification. Also, NIRF imaging of the neck specimen was performed, and optical signals were pinned with needle markings to guide the pathological examination. The endpoint of the study was LNY per neck side in levels Ib-III.RESULTS: 31 patients were included with 18 neck sides in the control group and 18 neck sides in the intervention group for evaluation. During NIRF-guided ND, individual lymph nodes could be identified by a bright fluorescent signal and individual tumor-related drainage patterns could be observed in the neck. The LNY in the intervention group was significantly higher compared to the control group (p = 0.032) with a mean of 24 LN (range: 12-33 LN in levels Ib-III compared to 18 LN (range: 10-36 LN) in the control group, respectively.CONCLUSIONS: NIRF-guided ND significantly improved the nodal yield compared to the control group. Intraoperative real-time optical imaging enabled direct visualization of tumor-related drainage patterns within the neck lymphatics.

KW - Indocyanine green

KW - Lymph node ratio

KW - Lymph node yield

KW - Near-infrared fluorescence imaging

KW - Neck dissection

KW - Oral cavity cancer

UR - http://www.scopus.com/inward/record.url?scp=85068790590&partnerID=8YFLogxK

U2 - 10.1016/j.ejso.2019.06.039

DO - 10.1016/j.ejso.2019.06.039

M3 - Journal article

VL - 45

SP - 2151

EP - 2158

JO - European Journal of Surgical Oncology

JF - European Journal of Surgical Oncology

SN - 0748-7983

IS - 11

ER -

ID: 58346486