[Therapy concept in phyllodes tumors of the breast]

The data of 22 women with a phyllode tumor of breast operated in our department from 1980 to 1997 were analysed. 11 benign, 7 borderline and 7 malign phyllode tumors were found in accordance to WHO-classification. In conclusion diameter of tumor is a relevant prognostic factor beside histologic classification. Therefore local excision is recommended for benign and borderline phyllode tumors smaller than 5 cm. A safety distance of 1 cm is claimed. Benign or borderline lesions greater than 5 cm and all malign require a simple mastectomy. Only recurrence smaller than 5 cm after excision of benign and borderline phyllode tumor should excised once more. Metastasis have to be cured by surgical therapy.