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Head and neck squamous cell carcinoma: US-guided fine-needle aspiration of sentinel lymph nodes for improved
D R Colnot1, E J Nieuwenhuis, M W van den Brekel
1Department of Otolaryngology/Head and Neck Surgery, University Hospital Vrije Universiteit, De Boelelaan 1117, PO Box 7057, 1007 MB Amsterdam, The Netherlands.
Abstract:
Ultrasonography (US)-guided fine-needle aspiration with cytologic examination was combined with lymphoscintigraphy for the identification of sentinel lymph nodes (SLNs) in 12 patients with a squamous cell carcinoma of the oral cavity or oropharynx. Dynamic lymphoscintigraphy and a hand-held gamma probe were used to depict the SLNs to be aspirated. Cytologic examination of the aspirated SLNs revealed neck lymph node status in patients who underwent neck dissection (n = 6). In patients who underwent only transoral excision, one false-negative cytologic result was observed. This combined approach is expected to improve the detection of occult neck lymph node metastases.