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Comparison between preoperative and intraoperative injection of (99m)Tc Dextran-500 for sentinel lymph node localization in breast cancer

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Comparison between preoperative and intraoperative injection of (99m)Tc Dextran-500 for sentinel lymph node localization in breast cancer

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Título Comparison between preoperative and intraoperative injection of (99m)Tc Dextran-500 for sentinel lymph node localization in breast cancer
Autor Gabbi, Maria Cecília Dambros
Masiero, Paulo Ricardo
Uchôa, Diego de Mendonça
Moraes, Ilza Vasques de
Biazús, Jorge Villanova
Edelweiss, Maria Isabel Albano
Abstract A retrospective study was conducted from a review of the medical records of patients with early-stage, invasive breast cancer who underwent surgical treatment and sentinel node biopsy with a radiotracer from January 2008 to August 2012 at a single institution (221 patients included). The patients were grouped according to the time of 99mTc Dextran-500 injection, which was preoperatively (with lymphoscintigraphy) (81 patients) or intraoperatively (140 patients). The purpose of the report is to compare the results of sentinel node biopsy of early-stage breast cancer patients who were subjected to intraoperative 99mTc Dextran-500 injections with the patients who received preoperative injections. The following parameters were analyzed: clinical tumor staging, histological and pathological results, size and number of tumor foci, peritumoral vascular invasion, number of lymph nodes removed, size of lymph node metastasis and hormone receptor expression.There were no differences in sentinel lymph node localization whether 99mTc Dextran-500 was injected preoperatively or intraoperatively.
Contido em American journal of nuclear medicine and molecular imaging. Madison. Vol. 4, no. 6 (Sep. 2014), p. 602-610
Assunto Biópsia de linfonodo sentinela
Neoplasias da mama
[en] 99mTc Dextran-500
[en] Breast cancer
[en] Intraoperative injection
[en] Lymphoscintigraphy
[en] Preoperative injection
[en] Sentinel lymph node
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/143679
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