The Role Of Sentinel Lymph Node Biopsy In The Management Of Laryngeal Carcinoma

Abstract

Laryngeal carcinoma is considered as the most common head and neck neoplasm and the incidence of lymph node metastasis depends on the tumor stage.

Sentinel Lymph Node Biopsy (SLNB) is an investigational tool in treatment of the clinical N0.

The aim of the study is to determine the accuracy of sentinel lymph node biopsy (SLNB) in Laryngeal carcinoma and whether it can be used in the diagnostic and therapeutic approach to the clinical N0 neck.

47 patients were with Laryngeal carcinoma were divide into N0 group (20 patient) and N+ positive group (27 patients). In the clinical N0 neck there was a high degree of accuracy in staging the neck with a sensitivity of 100% and NPV of 100% when using a combination of lympho-scintigraphy, gamma probe and blue dye to identify the sentinel nodes while SLNB is not accurate in the clinical N+ neck and cannot be relied upon in the therapeutic approach

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