• Ronnie L Shammas, Gloria Broadwater, Roger W Cason, Adam D Glener, Amanda R Sergesketter, Rebecca Vernon, Elliot Le, Victoria A Wickenheisser, Caitlin Marks, and Scott T Hollenbeck.
• Division of Plastic, Maxillofacial, and Oral Surgery, Department of Surgery, Duke University Health System, Durham, NC.
• J. Am. Coll. Surg. 2020 Apr 1; 230 (4): 605-614.e1.

BackgroundFew guidelines exist regarding surveillance and diagnostic imaging after breast reconstruction. This study investigated the influence of breast reconstruction on the frequency of post-mastectomy imaging, the relative utility of imaging, and its effect on overall and locoregional recurrence-free survival.Study DesignA retrospective review identified breast cancer patients (n = 1,216) who underwent mastectomy with or without reconstruction. Logistic regression identified surgical and oncologic predictors of post-reconstruction imaging. Kaplan-Meier method determined the impact of post-reconstruction imaging on overall and locoregional recurrence-free survival.ResultsOverall, 662 (54.4%) patients underwent mastectomy only and 554 (45.6%) underwent breast reconstruction. Patients undergoing reconstruction were more likely to receive imaging compared with patients undergoing mastectomy only (n = 205, 37.0% vs n = 168, 25.4%; p < 0.0001); however, this difference was not statistically significant after adjusting for age and follow-up time (p = 0.16). Most radiographic studies were Breast Imaging Reporting and Data System (BI-RADS) 1 (n = 58, 30%) or 2 (n = 95, 49%) and were ordered by nonsurgical providers (n = 128, 63%). Post-reconstruction imaging did not influence overall or locoregional recurrence-free survival. The 5-year survival probabilities for breast reconstruction patients who underwent imaging for a palpable mass, surveillance, or who did not undergo imaging were 100%, 95% (95% CI 89% to 100%), and 96% (95% CI 94% to 99%), respectively. Post-reconstruction imaging was not a significant predictor of overall survival (hazard ratio [HR] 0.95; 95% CI 0.61 to 1.46; p = 0.30).ConclusionsThe limited utility of routine post-reconstruction imaging should be reinforced when evaluating breast reconstruction patients. Multidisciplinary collaboration should be emphasized when attempting to distinguish benign postoperative findings from a malignant process to reduce unnecessary imaging and biopsy after breast reconstruction.Copyright © 2020 American College of Surgeons. Published by Elsevier Inc. All rights reserved.

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