Malignant phyllodes tumor of the breast: review of the literature and case report of stromal overgrowth

摘要: Abstract Cystosarcoma phyllodes constitutes only 0.3–0.9% of all breast tumors. The term "sarcoma" was initially used because its fleshy appearance, a more modern is Phyllodes tumor (PT). behavior PT spectrum from benign and locally recurrent to malignant metastatic. In general surgical series, 6.2% the tumors were malignant. microscopic appearance that epithelial elements connective tissue stroma. Malignancy determined by characteristics metastatic spread mainly hematogenous lung, with infrequent lymphatic involvement. Wide local excision 2cm margins treatment choice. 20% both cases, will recur. There no proven benefit radiation or chemotherapy, although radiotherapy may be useful in selected cases. We present case sarcomatous overgrowth involving multiple histologic types.