PMID: 25750326Mar 10, 2015Paper

Validity of sentinel lymph node biopsy by ICG fluorescence for early head and neck cancer

Anticancer Research
Takehiro NakamuraNaoyuki Kohno

Abstract

This study was designed to assess the validity of sentinel lymph node (SLN) biopsy using either the combination of indocyanine green (ICG) fluorescence and radioisotope (RI) or ICG-alone in SLN mapping for early head and neck cancer patients. Nineteen patients received SLN biopsy with the following method. Thirteen patients received SLN biopsy with only RI, 2 patients with only ICG and 4 patients with the combination of ICG and RI. Detection time for each method of SLN biopsy was measured to evaluate the validity of SLN with the combination of ICG and RI. A total of 41 SLNs were identified by RI or ICG. All SLNs identified by ICG could be localized intraoperatively. The number of SLNs identified by the combination of ICG and RI was greater than that of SLNs identified by RI-alone. One of the patients who underwent SLN biopsy by RI-alone was diagnosed with a metastatic lymph node one year later, then underwent neck dissection. Mean detection time for SLN biopsy with ICG or with the combination of ICG and RI tended to be shorter than that of RI-alone. SLN biopsy with the combination of ICG and RI enabled us to identify SLNs more easily and rapidly than by using RI alone.

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