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The ability of lymphoscintigraphy to direct sentinel node biopsy in the clinically N0 neck for patients with head and neck squamous cell carcinoma

¹ Plastic Surgery Unit, Canniesburn Hospital, Switchback Road, Bearsden, Glasgow, Departments of ² Oral Pathology, ³ Clinical Physics and ⁴ Nuclear Medicine, Glasgow Royal Infirmary, Glasgow, and ⁵ Beatson Oncology Centre, Western Infirmary, Glasgow, UK

View larger version (20K): [in a new window]   Figure 1. Identification rates of nodes on lymphoscintigraphy and harvested radioactive sentinel nodes following injection of radiocolloid. SCC, squamous cell carcinoma; SNB, sentinel node biopsy.

View larger version (75K): [in a new window]   Figure 2. (a) Lymphoscintigraphy (LSG) scan before application of software masking in the anteroposterior (AP) view. (b) LSG scan before application of software masking in the lateral view. (c) LSG scan after application of software masking in the AP view. (d) LSG scan after application of software masking in the lateral view.

View larger version (91K): [in a new window]   Figure 3. (a) Malleable lead plates. (b) The use of lead plates to prevent shine-through of radioactivity from the palatal tumour into the neck. (c) Manipulation of lead plate under superior subplatysmal flap.