title: Retroperitoneal dedifferentiated liposarcoma with osteosarcomatous dedifferentiation.
abstract: We present a case of a dedifferentiated liposarcoma with osteosarcomatous degeneration in a 46-year-old male. The mass, palpated during a routine physical exam, was analyzed with dynamic, contrast-enhanced CT and CT-guided core-needle biopsy before surgical resection.
authors.forename: Vinh N
authors.initials: VN
authors.lastname: Nguyen
authors.forename: Sarah
authors.initials: S
authors.lastname: Shaves
authors.forename: Janet
authors.initials: J
authors.lastname: Winston