• A A Lewin, A Cohen, A A Abitbol, J G Schwade, D Osman, R DerHagopian, J Ostroski, V Marcial-Vega, P Houdek, and E Gould.
• Department of Radiation Oncology, Baptist Hospital of Miami.
• J Fla Med Assoc. 1992 Nov 1; 79 (11): 762-5.

AbstractNineteen women with intraductal carcinoma of the breast were treated with conservative surgery and radiotherapy from 1982 to 1990. All underwent excisional biopsy or wide local excision of the primary tumor. Definitive irradiation consisted of 4500 cGy in 180 cGy fractions given through tangential fields followed by a breast boost to the primary site to a total dose of 5900-6500 cGy. No patient received regional node irradiation. Median follow-up was 38 months. The five year actuarial rate of local failure was 9%. One patient failed with an infiltrating ductal carcinoma in the treated breast 31 months after initial treatment. Salvage mastectomy was performed. She remains without evidence of disease 43 months after initial treatment. Metastatic breast carcinoma has not developed in any of the patients. Cosmetic result was good to excellent in all patients. With short-term follow-up, conservative surgery and radiotherapy appear to be an acceptable alternative to mastectomy in carefully selected patients with ductal carcinoma in situ. As retrospective and randomized trials mature, the natural history of these lesions treated with conservative surgery and irradiation will be further defined.

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