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Time to Radiation after Oncoplastic Reduction versus After Lumpectomy.

Troy Marxen¹, Patricia Chan¹, Nusaiba Baker¹

¹From the Emory University School of Medicine, Atlanta, Ga.

Plastic and Reconstructive Surgery. Global Open

|May 14, 2023

Summary

Oncoplastic reduction (OCR) surgery for breast cancer does not delay radiation therapy initiation compared to lumpectomy. However, OCR is associated with higher complication rates, though these do not significantly impact radiation timing.

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Area of Science:

Oncology
Surgical Oncology
Breast Cancer Treatment

Background:

Prior studies confirm oncoplastic reduction (OCR) surgery offers similar survival and oncological outcomes to traditional lumpectomy.
Evaluating the impact of OCR on the timing of adjuvant radiation therapy is crucial for comprehensive breast cancer care.

Purpose of the Study:

To determine if oncoplastic reduction (OCR) surgery leads to a significant difference in the time to initiation of radiation therapy compared to standard lumpectomy.
To compare complication rates between OCR and lumpectomy in breast cancer patients.

Main Methods:

Retrospective analysis of breast cancer patients undergoing adjuvant radiation after OCR or lumpectomy (2003-2020).
Exclusion of patients with non-surgical radiation delays.
Comparison of time to radiation and complication rates between the two surgical groups.

Main Results:

No significant difference in the time to radiation initiation between OCR (60.5 days) and lumpectomy (56.2 days) groups (P = 0.059).
OCR group had significantly higher complication rates (20.4%) compared to lumpectomy (2.2%) (P < 0.001).
Among patients with complications, there was no significant difference in radiation timing between OCR (74.3 days) and lumpectomy (69.3 days) (P = 0.732).

Conclusions:

Oncoplastic reduction surgery is not associated with increased time to radiation therapy initiation compared to lumpectomy.
OCR is linked to a higher incidence of complications, but these do not independently predict delays in radiation.
Surgeons can be reassured that higher complication rates with OCR do not necessarily translate to postponed radiation therapy.