![]() The aim of this paper is to share our setup and surgical technique for SLNB in oral cancer developed over the last 15 years. International cooperation in multicenter trials has been beneficial and has enabled us to develop and optimize the lymphoscintigraphic as well as the surgical setup ( 3- 9). The surgical technique has also developed and simplified using a single apron incision approach in the majority of cases. We now use a SPECT-CT as our standard for all sentinel lymph node procedures in the head and neck. The use of SPECT/CT allows for a more precise topographical localization of the sentinel lymph nodes ( 3). ![]() The preoperative sentinel node imaging has since evolved over time regarding precision as well as in image resolution. Later, we added SPECT and further a transmission scan (line source), for possible attenuation correction, and a 3D rendering image by fusing the emission and a transmission data, which showed the primary tumour and sentinel lymph nodes in relation to the body contours ( 1, 2). However, we soon added oblique planar images for better proximity and visualization of the sentinel lymph nodes. We started out applying planar images in anterior and lateral projections repeatedly over time. Since then we have continuously tried to develop and improve the preoperative lymphoscintigraphic imaging as well as the surgical technique. We performed our first sentinel lymph node biopsy (SLNB) for oral cancer in April 2001. Received: 25 June 2018 Accepted: 23 July 2018 Published: 02 August 2018. Keywords: Sentinel lymph node biopsy (SLNB) oral cancer: lymphoscintigraphy SPECT-CT frozen sectioning ![]()
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