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Biopsia mamaria asistida por vacío y guiada por estereotaxia. Correlación con la biopsia quirúrgica / Stereotactic vacuum-assisted breast biopsy. Correlation with surgical excisional biopsy
Plaza Loma, Sara; Rodríguez de Diego, Yolanda; González Blanco, Ignacio; Martín Medrano, Eva; del Villar Negro, Araceli; Torres Nieto, Ángeles.
Affiliation
  • Plaza Loma, Sara; Hospital Universitario Río Hortega. Valladolid. España
  • Rodríguez de Diego, Yolanda; Hospital Universitario Río Hortega. Valladolid. España
  • González Blanco, Ignacio; Hospital Universitario Río Hortega. Valladolid. España
  • Martín Medrano, Eva; Hospital Universitario Río Hortega. Valladolid. España
  • del Villar Negro, Araceli; Hospital Universitario Río Hortega. Valladolid. España
  • Torres Nieto, Ángeles; Hospital Universitario Río Hortega. Valladolid. España
Prog. obstet. ginecol. (Ed. impr.) ; 55(2): 66-70, ene.-mar. 2012.
Article in Spanish | IBECS | ID: ibc-97707
Responsible library: ES1.1
Localization: BNCS
RESUMEN
Objetivo. Valorar la eficacia de la biopsia percutánea asistida por vacío y guiada por estereotaxia como alternativa a la biopsia quirúrgica diagnóstica. Material y métodos. Estudio retrospectivo de 250 biopsias asistidas por vacío guiadas por estereotaxia realizadas entre marzo del 2006 y agosto del 2010. Se ha analizado la tasa de falsos negativos y la subestimación diagnóstica en relación con la biopsia quirúrgica. Resultados. La tasa de falsos negativos fue del 2% (1/63) y el valor predictivo positivo fue del 100%. La biopsia quirúrgica evidenció hallazgos de carcinoma en el 30% (3/10) de los casos diagnosticados como hiperplasia ductal atípica y en el 33,3% (2/6) de los carcinomas lobulillares in situ. De las 40 lesiones diagnosticadas como carcinoma ductal in situ, la biopsia quirúrgica evidenció carcinomas infiltrantes en 4 de los casos (10%). Conclusiones. La biopsia guiada por estereotaxia puede considerarse una alternativa válida a la biopsia quirúrgica diagnóstica, aunque persiste la posibilidad de subestimación diagnóstica (AU)
ABSTRACT
Objective. To evaluate the efficiency of stereotactic vacuum-assisted core breast biopsy as an alternative to diagnostic surgical biopsy. Material and methods. A retrospective study based on 250 stereotactic vacuum-assisted percutaneous biopsies was conducted from March 2006 to August 2010. The false-negative rate and underestimation of disease at percutaneous biopsy were determined in comparison with diagnostic surgical biopsy. Results. The false-negative rate was 2% (1/63) and the positive predictive value was 100%. Surgical excision revealed carcinoma in 30% (3/10) of the patients with atypical ductal hyperplasia at core biopsy and in 33.3% (2/6) of those with lobular carcinoma in situ. Among 40 lesions diagnosed as ductal carcinoma in situ at vacuum-assisted biopsy, surgery revealed invasive carcinoma in four (10%). Conclusions. Stereotactic core breast biopsy can be considered a valid alternative to diagnostic surgical biopsy, although diagnostic underestimation still occurs (AU)
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Collection: National databases / Spain Database: IBECS Main subject: Biopsy, Needle / Carcinoma, Ductal, Breast / Fibrocystic Breast Disease Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans Language: Spanish Journal: Prog. obstet. ginecol. (Ed. impr.) Year: 2012 Document type: Article Institution/Affiliation country: Hospital Universitario Río Hortega/España
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Collection: National databases / Spain Database: IBECS Main subject: Biopsy, Needle / Carcinoma, Ductal, Breast / Fibrocystic Breast Disease Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans Language: Spanish Journal: Prog. obstet. ginecol. (Ed. impr.) Year: 2012 Document type: Article Institution/Affiliation country: Hospital Universitario Río Hortega/España
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