Risk Factors Leading to Complications in Early-Stage Breast Cancer Following Breast-Conserving Surgery and Intraoperative Radiotherapy

Sunpreet Rakhra, Kevin Bethke, Jonathan Strauss, John P. Hayes, Nora Hansen, Seema A. Khan, Irene Helenowski, Eric D. Donnelly*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Objective: The aim of this study was to evaluate outcomes after breast-conserving surgery (BCS) and intraoperative radiotherapy (IORT), and to identify risk factors associated with complications. Materials/Methods: We evaluated patients with early-stage breast cancer treated from January 1, 2011 to January 31, 2014 with BCS and IORT at a single institution. The presence of breast cancer recurrences, complications, or fat necrosis were assessed at subsequent follow-up visits using physical examination and breast imaging. Results: Overall, 113 patients, of whom three were undergoing bilateral treatments, were identified. The median length of time for IORT was 29 min and 36 s (range 15:50–59:00). Fifteen patients received additional external beam radiotherapy (EBRT), and the median follow-up was 40.3 months (range 1.6–58.3) for all patients. To date, one biopsy-proven ipsilateral recurrence has been noted (0.9%), for which the patient elected to undergo a mastectomy. Nine patients were found to have wound complications (7.7%) and two had fat necrosis (1.7%) on follow-up. Of all the evaluated risk factors, only applicator size (p < 0.01) had a statistically significant association with an increase in complications. Conclusions: With a short follow-up, IORT appears to be a safe treatment modality for a select group of patients, leading to a reasonable increase in operating room time and complication rates following BCS. The utilization of larger applicators at the time of IORT was associated with an increase in wound complications and fat necrosis.

Original languageEnglish (US)
Pages (from-to)1258-1261
Number of pages4
JournalAnnals of surgical oncology
Volume24
Issue number5
DOIs
StatePublished - May 1 2017

ASJC Scopus subject areas

  • Surgery
  • Oncology

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