Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2005
Predictors of positive axillary lymph nodes in breast cancer patients with metastatic sentinel lymph node.
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Callejo Isabel Peixoto, Brito José Américo, Bivar José Wheinholtz, Fernandes Fernando Jesus, Faria João Leal, André María Saudade, Costa Carlos Santos, Almeida M Odette, Meneses e Sousa J
Аннотация
INTRODUCTION: Breast cancer with metastatic sentinel lymph nodes (SLN) may have clinico-pathologic factors associated with the presence of positive non-sentinel axillary nodes (NSLN). The aim of the present study was to determine factors that predict involvement of NSLN in breast cancer patients with positive SLN.
MATERIAL AND METHODS: A prospective database search identified 80 patients who underwent SLN biopsy for invasive breast cancer between January 1999 and August 2002. Clinico-pathologic data was analyzed to determine factors that predicted additional positive axillary nodes.
RESULTS: A total of 23 patients had positive SLN and underwent conventional axillary lymph node dissection. Statistical analysis revealed that lympho-vascular invasion (p~0.00000), SLN metastasis >2 mm (p=0.002), and the presence of extra-nodal involvement (p=0.002), were positive predictors of the metastatic involvement of NSLN.
CONCLUSIONS: The likelihood of positive NSLN correlates with pathologic parameters such as the presence of lympho-vascular invasion, size of the SLN metastasis, and extra-nodal involvement. These data may be helpful with the regard to the decision to undertake axillary dissection in breast cancer patients with metastatic sentinel lymph nodes.
MATERIAL AND METHODS: A prospective database search identified 80 patients who underwent SLN biopsy for invasive breast cancer between January 1999 and August 2002. Clinico-pathologic data was analyzed to determine factors that predicted additional positive axillary nodes.
RESULTS: A total of 23 patients had positive SLN and underwent conventional axillary lymph node dissection. Statistical analysis revealed that lympho-vascular invasion (p~0.00000), SLN metastasis >2 mm (p=0.002), and the presence of extra-nodal involvement (p=0.002), were positive predictors of the metastatic involvement of NSLN.
CONCLUSIONS: The likelihood of positive NSLN correlates with pathologic parameters such as the presence of lympho-vascular invasion, size of the SLN metastasis, and extra-nodal involvement. These data may be helpful with the regard to the decision to undertake axillary dissection in breast cancer patients with metastatic sentinel lymph nodes.