Quantitative analysis of lymph nodes in neck dissection specimens. Morphologic study

AUTOR(ES)

Capelli, Fábio de Aquino, Paes, Vitor Ribeiro, Machado, Mariangela Marinheiro, Menezes, Camila Lohmann, Silva, Pablo Rodrigo Andrade da, Siqueira, Sheila Aparecida Coelho, Alves, Venâncio Avancini Ferreira, Matos, Leandro Luongo, Cernea, Claudio Roberto

FONTE

Acta Cir. Bras.

DATA DE PUBLICAÇÃO

2016-07

RESUMO

ABSTRACT PURPOSE: To quantify the amount of lymph nodes harvested in modified radical neck dissection. METHODS: Cross-sectional anatomical study conducted in 28 non-preserved cadavers. RESULTS: The mean number of lymph nodes found in each nodal level of the 56 modified radical neck dissections performed were: level IA - 1.5 (95% CI: 1.1 - 1.8), level IB - 2.5 (95% CI: 2.1 - 2.9), level IIA - 7.2 (95% CI: 6.0 - 8.5), IIB level - 6.5 (95% CI: 5.5 - 7.4), level III - 6.6 (95% CI: 5.7 - 7.4), level IV - 8.6 (95% CI: 7.1 - 10.1), level V - 11 (95% CI: 9.2 - 12.7), totalizing 43.8 lymph nodes (95% CI: 40.3 - 47.4). CONCLUSION: The results defined a parameter in relation to the minimum recommended nodal yield in a modified radical neck dissection, as well as the number of lymph nodes in each level of this dissection, performed in clinical practice.

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