WHO Classification of tumors of the breast . 4th ed .图15-24幼年型纤维腺瘤,导管不规则呈开放状,间质细胞较一般纤维腺瘤丰富。图15-25幼年型纤维腺瘤,导管上皮增生,周围围绕的间质细胞增生。9 .牛昀.乳腺叶状肿瘤免疫表型的研究进展.诊断病理学杂志, 2010 , 17 : 7 -.Ductal carcinoma in situ arising within a benign phyllodes tumor : A case report wit ......