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Irradiación completa de la mama y sobreimpresión del lecho tumoral hipofraccionadas en el cáncer de mama: valoración de la toxicidad / Whole-breast and tumor boost hypofractionated irradiation in breast carcinoma: toxicity results
Sanz, Javier; Rodríguez, Nuria; Lio, Jackson; Foro, Palmira; Reig, Anna; Fernández-Velilla, Enric; Lozano, Joan; Membrive, Ismael; Pera, Oscar; Quera, Jaume; Algara, Manuel.
Affiliation
  • Sanz, Javier; Hospital de l’Esperança. Barcelona. España
  • Rodríguez, Nuria; Hospital de l’Esperança. Barcelona. España
  • Lio, Jackson; Hospital de l’Esperança. Barcelona. España
  • Foro, Palmira; Hospital de l’Esperança. Barcelona. España
  • Reig, Anna; Hospital de l’Esperança. Barcelona. España
  • Fernández-Velilla, Enric; Hospital de l’Esperança. Barcelona. España
  • Lozano, Joan; Hospital de l’Esperança. Barcelona. España
  • Membrive, Ismael; Hospital de l’Esperança. Barcelona. España
  • Pera, Oscar; Hospital de l’Esperança. Barcelona. España
  • Quera, Jaume; Hospital de l’Esperança. Barcelona. España
  • Algara, Manuel; Hospital de l’Esperança. Barcelona. España
Rev. senol. patol. mamar. (Ed. impr.) ; 26(1): 4-10, ene.-mar. 2013.
Article in Spanish | IBECS | ID: ibc-109847
Responsible library: ES1.1
Localization: BNCS
RESUMEN
Introducción. Presentamos los resultados de tolerancia de la adición de sobreimpresión hipofraccionada después de irradiación global hipofraccionada de la mama. Material y método. Se incluyeron pacientes con cirugía conservadora y tratadas mediante hipofraccionamiento de 2,67Gy/día hasta 40Gy sobre la mama. La sobreimpresión del lecho tumoral se realizó a dosis de 16 o 8Gy según los criterios de riesgo para recaída local tamaño tumoral, grado, márgenes o presencia de carcinoma ductal in situ, o nada en ausencia de dichos factores. Resultados. Se trataron 110 pacientes. Los grupos de riesgo se distribuyeron en alto, medio o bajo, con 51, 54 y 5 pacientes, respectivamente. Un 4,5% no presentaron toxicidad aguda. Las pacientes presentaron dermitis grado i o ii en el 38,2 y 47,3% de los casos, respectivamente. No se observaron diferencias en la toxicidad aguda dependiendo de la dosis de sobreimpresión. Tras un seguimiento medio de 2 años, en 79 casos (71,8%) no hubo cambios cutáneos crónicos. Apareció fibrosis leve en 24 pacientes (21,8%) y de grado ii en 7 pacientes. Conclusiones. La sobreimpresión hipofraccionada parece bien tolerada y las toxicidades aguda y crónica son leves. No parece haber impacto de la dosis total acumulada en la incidencia de fibrosis(AU)
ABSTRACT
Introduction. We present the results of adding a hypofractionated boost after whole-breast hypofractionated radiotherapy and report patient tolerance of this procedure. Material and method. Patients were included after conservative surgery and underwent adjuvant therapy. The whole breast was treated at 2.67Gy per fraction up to 40Gy. The boost was performed at different dose levels (16 or 8Gy) according to the presence of risk factors for local recurrence (tumor size, histologic grade, margin status or the presence of carcinoma in situ) or nothing in case of their absence. Results. A total of 110 patients were treated. The distribution into high-, middle- and low-risk groups was 51, 54 and 5 patients, respectively. There was no toxicity in 4.5% of the patients. Grade i or ii dermatitis was found in 38.2 and 47.3%, respectively. No differences were observed in acute dermatitis depending on boost doses. After a follow-up of 2 years, there were no chronic skin or subcutaneous changes in 79 patients (71.8%). Mild fibrosis occurred in 24 patients (21.8%) and grade ii fibrosis occurred in 7 patients. Conclusions. Hypofractionated boost seems to be well tolerated. Acute and chronic toxicities are mild. The cumulative dose does not seem to increase the incidence of fibrosis at the boost area compared with the whole breast(AU)
Subject(s)
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Collection: National databases / Spain Database: IBECS Main subject: Fibrosis / Breast Neoplasms Type of study: Risk factors Limits: Female / Humans Language: Spanish Journal: Rev. senol. patol. mamar. (Ed. impr.) Year: 2013 Document type: Article Institution/Affiliation country: Hospital de l’Esperança/España
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Collection: National databases / Spain Database: IBECS Main subject: Fibrosis / Breast Neoplasms Type of study: Risk factors Limits: Female / Humans Language: Spanish Journal: Rev. senol. patol. mamar. (Ed. impr.) Year: 2013 Document type: Article Institution/Affiliation country: Hospital de l’Esperança/España
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