TINEL LYMPH NODE: IS AN ALTERNATIVE TO THE AXILLARY DISSECTION?
Keywords:
Sentinel lymph node, Breast câncerAbstract
The improvement of early detection breast câncer techniques, mainly through
the screening inammography, has tlie diagnosis of tumors in early stages, without
axillary node involvent. Theoretically, these patients do not benefit from axillary lymph
node dissection, however an accurate staging of breast câncer is essential to guide the
handiling and to determine the prognostic of the disease. The morbidity of axillary
lymph node dissection reaches 30% when studied which emphasis the need of
identifying patients with axillary node positive and precise indication lymphadenectomy. More recently, an alternative has been proposed to lymphadenectomy in early
breast câncer known as sentinel node biopsy (LFNS), defined as the first lymph node
to receive the lymphatic tumor's drainage. LFNS, can be identified through combined methods of lymphatic mapping with radioisotope and coloring biological, is capable to
predict the metastatic status of the axillary and perhaps to avoid lymphadenectomy in most cases.
The proposal of this review is to discuss the advantages and difficulties with this
technique, as well as to demonstrate the association of techniques of lymphatic mapping
to the biopsy of sentinel lymph node, allowing the accurate staging of axillary nodes.
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