Sentinel lymph node biopsy in squamous cell carcinoma of the tongue
DOI:
https://doi.org/10.34631/sporl.968Keywords:
sentinel lymph node biopsy, squamous cell carcinoma, tongueAbstract
Objective: Reporting the performance of sentinel lymph node biopsy (SLNB) in patients with squamous cell carcinoma (SCC) of the tongue.
Study design: Retrospective observational study.
Material and Methods: Clinical records from patients with SCC of the tongue cT1-2N0 submitted to SLNB were analysed. A sample of 23 patients was obtained. The gold standard for diagnosing lymph node metastasis was the histology of neck dissection specimens. The average follow up was 29.7 months.
Results: Forty-seven sentinel lymph nodes were obtained, 17% with SCC metastasis, from 26.1% of patients. Neck dissection was performed in 18 patients and 22.2% were positive for SCC metastasis. In this sample, SLNB had a sensitivity of 75% and a negative predictive value (NPV) of 83.3%.
Conclusion: SLNB showed high sensitivity and NPV in this sample. Increasing use of this technique will improve its performance and avoid unnecessary elective neck dissections.
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