Resumen

GOMEZ, Álvaro et al. Tumor Phyllodes Maligno: A propósito de un caso. Rev. venez. oncol. [online]. 2008, vol.20, n.3, pp.161-164. ISSN 0798-0582.

We presented a report of infrequent surgical pathology and description of a clinical case seen in service of mammary pathology of Oncological Hospital Father Machado. A feminine patient 48 years old which diagnose benign Phyllodes tumor of the right breast, simple mastectomy was made to her whose definitive biopsy report: Malignant tumor Phyllodes of high degree, with extensive areas of necrosis and infiltration to the skin, deep margin with evidence of neoplasia, were observed areas of tumor low degree and others of high degree, the immunohistochemical conclude: Phyllodes tumor, estrogen receivers and progesterone with pattern of normal inmunomarcaje, HER -2 /neu negative. The malignant tumor Phyllodes is the most frequent no epithelial neoplasia of the breast, and the surgery is considered the fundamental pillar in the treatment of this pathology, not exist a consensus at the moment on the type of surgery, due to the little incidence of this pathology.

Palabras clave : Phyllodes; breast; carcinosarcoma; neoplasia; nonepithelial.