Clinical Investigation
Locoregional Outcomes of Inflammatory Breast Cancer Patients Treated With Standard Fractionation Radiation and Daily Skin Bolus in the Taxane Era

Presented in part as a poster at the 50th Annual Meeting of the American Society of Therapeutic Radiology and Oncology, Boston, MA, September 21–25, 2008.
https://doi.org/10.1016/j.ijrobp.2009.06.042Get rights and content
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Purpose

To assess locoregional outcomes of inflammatory breast cancer (IBC) patients who received standard fractionation radiation with daily skin bolus and taxanes as part of combined-modality therapy (CMT).

Methods and Materials

We retrospectively reviewed the charts of 107 patients diagnosed with IBC between January 1995 and March 2006 who presented to our department for adjuvant radiation therapy (RT).

Results

All patients received chemotherapy (95% anthracycline and 95% taxane), modified radical mastectomy, and RT to the chest wall and regional lymphatics using standard fractionation to 50 Gy and daily skin bolus. The RT to the chest wall was delivered via electrons (55%) or photons (45%) in daily fractions of 180 cGy (73%) or 200 cGy (27%). Scar boost was performed in 11%. A majority (84%) of patients completed the prescribed treatment. Median follow-up was 47 months (range, 10–134 months). Locoregional control (LRC) at 3 years and 5 years was 90% and 87%, respectively. Distant metastases–free survival (DMFS) at 3 years and 5 years was 61% and 47%, respectively.

Conclusions

Excellent locoregional control was observed in this population of IBC patients who received standard fractionation radiation with daily skin bolus and taxanes as part of combined-modality therapy. Distant metastases–free survival remains a significant therapeutic challenge.

Radiation
Inflammatory breast cancer
Combined modality treatment
Standard fractionation
Taxanes

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Conflict of interest: none.