title: Liposarcoma arising within a cystosarcoma phyllodes.
abstract: A liposarcoma arising within a cystosarcoma phyllodes in a 17-year-old black female was treated by total mastectomy without the need of radiation and/or chemotherapy. The patient is alive and well with no evidence of recurrence or metastasis at 20 months recent follow-up. The clinicopathological features of malignant cystosarcoma phyllodes-liposarcoma are discussed.
mesh_terms: D000293:Adolescent; D001940:Breast / Q000473:pathology*; D001943:Breast Neoplasms / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D008080:Liposarcoma / Q000473:pathology*; D008408:Mastectomy; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D003557:Phyllodes Tumor / Q000473:pathology* / Q000601:surgery