This is a retrospective study of 61 patients with clinically diagnosed breast cancer (IBC) treated with multimodality therapy between September 1977 and September 1985. All patients were scheduled to receive three courses of doxorubicin-based chemotherapy followed by mastectomy, further chemotherapy, and postoperative irradiation. Ten patients (16%) obtained a complete response, defined as either resolution of the clinical signs of inflammatory breast cancer (IBC) (4 patients) or no evidence of tumor in the mastectomy specimen (6 patients). Twenty-seven patients (45%) obtained a partial response, defined as a greater than 50% reduction in the clinical signs of inflammatory breast cancer. No response occurred in 24 patients (39%). Immediate mastectomy was done in 56 patients. Five patients whose disease was not resectable received preoperative irradiation. Nine patients at high risk for locoregional failure received postoperative irradiation immediately after mastectomy and before additional chemotherapy. Postoperative irradiation was given to the chest wall and peripheral lymphatics using standard or accelerated fractionation to a maximum dose of 60 Gy. Forty-six patients completed planned treatment including chemotherapy, surgery, and radiotherapy without failure. The minimum follow-up was 36 months. The 5-year actuarial disease-free survival was 70% for the complete response group, and 35% for the partial response group. All patients with no response failed by 34 months. The actuarial 5-year disease-free survival rate for the entire group was 27%. The 5-year actuarial locoregional control was 89% in the complete response group, 68% in the partial response group, 33% in the no response group, and 58% for all patients. Most failures were on the chest wall within the irradiated volume. Chest wall failures were more frequent in those who did not achieve brisk erythema or moist desquamation after postoperative irradiation. We conclude that multimodal treatment of patients with inflammatory breast cancer results in a low incidence of failure if complete response is obtained following initial chemotherapy. The locoregional control rate and actuarial 5-year disease-free survival for the entire group were not improved when mastectomy was done. Surgery should be done in those patients who respond adequately to chemotherapy, so that late sequelae of high-dose breast irradiation can be eliminated. Higher doses of postoperative irradiation may be required to improve local control in those patients with the poorest response to initial chemotherapy.

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   |texte=   Multimodal treatment for inflammatory breast cancer
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