title: [Cystosarcoma phyllodes of the breast in a 10 year-old child].
abstract: A case of cystosarcoma phyllodes in a 10 year-old, prepubertal white female is reported. In spite of the common belief of hormonal dependency of this tumor, hormonal receptor assays were negative. The diagnosis, behaviour and treatment of this unusual lesion is discussed.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis / Q000473:pathology*; D002648:Child; D005260:Female; D006801:Humans; D003557:Phyllodes Tumor / Q000032:analysis / Q000473:pathology* / Q000556:secondary; D011960:Receptors, Estrogen / Q000032:analysis; D011980:Receptors, Progesterone / Q000032:analysis
chemical_list: D011960:Receptors, Estrogen; D011980:Receptors, Progesterone
vernacular_title: Tumeur phyllode du sein chez une enfant de 10 ans.