Micrometástasis en el ganglio centinela del cáncer de mamaRevisión de literatura

  1. Arnal Burró, Ana María
  2. Martín Medrano, Eva
  3. González Blanco, Ignacio
  4. Moreno Reviriego, Ana
  5. Plaza Loma, Sara
  6. Rodríguez de Diego, Yolanda
  7. Torres Nieto, Angeles
  8. Vázquez Camino, Fernando
Journal:
Revista española de investigaciones quirúrgicas

ISSN: 1139-8264

Year of publication: 2012

Volume: 15

Issue: 4

Pages: 203-207

Type: Article

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Abstract

AIM. The result of micrometastases and isolated tumor cells as the only expression of lymphatic spread of breast cancer is relatively frequent. The possibility of avoiding complete axillary lymphadenectomy in those patients who are only affected by micrometastasis is proposed because of the low incidence of further involvement of the remaining lymph nodes and the significant increase in morbidity of the technique. MATERIAL AND METHOD. We included all patients undergoing sentinel node biopsy during the years 2010 and 2011 at Hospital Universitario Rio Hortega. Complete axillary lymphadenectomy was performed when micro or macrometastases were found in the sentinel node, in order to determine the degree of axillary involvement. RESULTS. In 2010 126 breast cancers were operated in the HURH from Valladolid. 77 (65%) have benefited from the use of axillary sentinel node biopsy, which 47 were negative, 16 were affected by macrometastasis a, 3 isolated tumor cells and 9 by micrometastasis. In 2 cases there was no migration. In 2011, 140 breast cancer were operated in our hospital, and 102 (73%) were able to performed sentinel node biopsy. 77 were negative, 13 positive, 2 with isolated tumor cells and 7 micrometastasis. In 3 cases there was no migration. Complete axillary lymphadenectomy was performed when micro o macrometastases were found in the sentinel node. There was no other axillary lymph node involved in patient with micrometastasis. DISCUSSION. It is possible to speculate that, in the future, axillary dissection can be avoided in those patients diagnosed of micrometastasis in the sentinel node.

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