We present a case of malignant phyllodes tumor (MPT) of breast in a 50-year-old woman with an extraordinarily aggressive clinical course.

• 摘要我们报告一位50岁女性罹患乳房恶性叶状瘤合并脑部转移的病例，这罕见恶性肿瘤具有高度侵犯性的临床病程。