Resumo

MISA, Ricardo et al. Lymph node harvest in colon cancer. Myths and magic. Rev. Méd. Urug. [online]. 2020, vol.36, n.2, pp.159-183.  Epub 01-Jun-2020. ISSN 0303-3295.  https://doi.org/10.29193/rmu.36.2.8.

Lymph node compromise is critical in colon cancer staging, as a prognostic factor and to determine adjuvant therapy. The number of lymph nodes to be resected is still under discussion, as well as the factor that have an impact on lymph node harvest and its biological significance.

We reviewed clinical variables and variables that are specific to the tumor, what results in the definition of a certain number of lymph nodes, as the adequate Gold Standard for lymph node harvest being controversial.

12 is not necessarily a “magic” number that marks quality. Extending resection to increase lymph node harvest does not improve staging, it exposes patients to unnecessary risks, there being no therapeutic effect guaranteed. The “Magic” continues to be routine resection that includes the cystic pedicle and the area around the tumour, adjusting resection to the patient’s characteristics. Less is not best, but more is not necessarily better.

Palavras-chave : Colonic neoplasms; Neoplasms stading; Lymph node harvest.

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