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Cáncer de mama con Her-2-neu y receptores hormonales positivos: tratamiento sistémico primario, biopsia del ganglio centinela y hormonoterapia / Breast cancer Her2/neu and estrogen receptor-positive: systemic treatment, sentinel lymph node biopsy and hormonotherapy
López C, Nayara; Sánchez M, José Ignacio; Santiago G, Javier De.
  • López C, Nayara; s.af
  • Sánchez M, José Ignacio; Hospital Universitario La Paz. Sección de Patología Mamaria. Madrid. ES
  • Santiago G, Javier De; s.af
Rev. chil. obstet. ginecol ; 78(1): 44-47, 2013. ilus
Article in Spanish | LILACS | ID: lil-677307
RESUMEN
La quimioterapia neoadjuvante aparece como una opción terapéutica interesante en determinados casos de cáncer de mama. En éstos, el momento de la realización de la biopsia del ganglio centinela supone un tema de controversia actual. Los tumores Her-2-neu y receptores estrogénicos positivos presentan cierta resistencia a la terapia hormonal especialmente con tamoxifeno. Se presenta un caso con co-expresión de Her-2-neu y receptores estrogénicos que se trata con quimioterapia neoadjuvante y biopsia de ganglio centinela previa. En un segundo tiempo, se realiza cirugía conservadora sobre la mama con linfadenectomía axilar, radioterapia y hormonoterapia con letrozol, complementada con goserelina y trastuzumab. La evolución posterior ha sido muy favorable.
ABSTRACT
Neoadjuvant chemotherapy is an interesting option in the therapy of some breast cancer cases. Cases in which the timing for sentinel lymph node biopsy is controversial. Co-expression of estrogen receptors and Her2/neu (c-erbB-2) in breast cancer may imply hormone resistance, especially to tamoxifen. We present a clinic case with co-expression of estrogen receptors and Her2/neu that was treated with neoadjuvant chemotherapy and previous sentinel lymph node biopsy followed by breast tumorectomy with axillar lymphadenectomy, radiotherapy and hormonotherapy with letrozol, geserelina and trastuzumab. A good treatment response was found.
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Full text: Available Index: LILACS (Americas) Main subject: Triazoles / Breast Neoplasms / Antineoplastic Agents, Hormonal / Nitriles Limits: Adult / Female / Humans Language: Spanish Journal: Rev. chil. obstet. ginecol Journal subject: Gynecology / Obstetrics Year: 2013 Type: Article Affiliation country: Spain Institution/Affiliation country: Hospital Universitario La Paz/ES

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Full text: Available Index: LILACS (Americas) Main subject: Triazoles / Breast Neoplasms / Antineoplastic Agents, Hormonal / Nitriles Limits: Adult / Female / Humans Language: Spanish Journal: Rev. chil. obstet. ginecol Journal subject: Gynecology / Obstetrics Year: 2013 Type: Article Affiliation country: Spain Institution/Affiliation country: Hospital Universitario La Paz/ES