Article ; Online: Hypofractionation and concomitant boost to deliver adjuvant whole-breast radiation in ductal carcinoma in situ (DCIS): a subgroup analysis of a prospective case series.
Medical oncology (Northwood, London, England)
2014 Volume 31, Issue 2, Page(s) 838
Abstract: To report the four-year outcomes of accelerated hypofractionated whole-breast radiotherapy (WBRT) with a concomitant boost (CB) to the tumor bed in ductal carcinoma in situ (DCIS), we performed a subgroup analysis of 103 patients affected with DCIS ... ...
Abstract | To report the four-year outcomes of accelerated hypofractionated whole-breast radiotherapy (WBRT) with a concomitant boost (CB) to the tumor bed in ductal carcinoma in situ (DCIS), we performed a subgroup analysis of 103 patients affected with DCIS within a cohort of 960 early breast cancer patients treated with breast conservation and hypofractionated WBRT. Prescription dose to the whole breast was 45 Gy (2.25 Gy/20 fractions) with an additional daily CB of 0.25 Gy to the surgical cavity (2.5 Gy/20 fractions up to 50 Gy). With a median follow-up of 48 months (range 12-91), no local recurrence was observed. Maximum detected acute skin toxicity was as follows: G0 in 35 % of patients, G1 in 54 %, G2 in 9 % and G3 in 2 %. Late skin and subcutaneous toxicity were generally mild with only 1 % of patients experiencing ≥G3 events (telangiectasia). No major lung and heart toxicity were detected. Cosmetic results were excellent in 50 % of patients, good in 37 %, fair in 9 % and poor in 4 %. Quality of life had a generally favorable profile both within the functioning and symptoms domains. The present result supports the hypothesis that DCIS patients could be safely treated with a hypofractionated schedule employing a CB to the lumpectomy cavity. |
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MeSH term(s) | Breast Neoplasms/pathology ; Breast Neoplasms/radiotherapy ; Breast Neoplasms/surgery ; Carcinoma, Intraductal, Noninfiltrating/pathology ; Carcinoma, Intraductal, Noninfiltrating/radiotherapy ; Carcinoma, Intraductal, Noninfiltrating/surgery ; Dose Fractionation, Radiation ; Female ; Follow-Up Studies ; Humans ; Mastectomy, Segmental ; Middle Aged ; Neoplasm Grading ; Neoplasm Recurrence, Local/drug therapy ; Neoplasm Recurrence, Local/pathology ; Neoplasm Staging ; Prognosis ; Prospective Studies ; Quality of Life ; Radiotherapy Planning, Computer-Assisted ; Radiotherapy, Adjuvant |
Language | English |
Publishing date | 2014-01-12 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1201189-7 |
ISSN | 1559-131X ; 0736-0118 ; 1357-0560 |
ISSN (online) | 1559-131X |
ISSN | 0736-0118 ; 1357-0560 |
DOI | 10.1007/s12032-014-0838-2 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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