title: Dedifferentiated chondrosarcoma in childhood: report of a case.
abstract: Dedifferentiated chondrosarcoma is an unconventional chondrosarcoma of distinctive pathology. The tumor, not previously reported in childhood, is characterized by a very poor prognosis with an average survival of only 6 months. Imaging features include a lytic lesion, focal calcifications, and a soft tissue mass.
authors.affiliation: Mallinckrodt Institute of Radiology, Washington University School of Medicine and St. Louis Children's Hospital, Department of Radiology, 510 So. Kingshighway Blvd., St. Louis, MO 63110, USA.
authors.forename: T E
authors.initials: TE
authors.lastname: Herman
authors.forename: W H
authors.initials: WH
authors.lastname: McAlister
authors.forename: L P
authors.initials: LP
authors.lastname: Dehner
authors.forename: B A
authors.initials: BA
authors.lastname: Kaufman
mesh_terms: D002648:Child; D002813:Chondrosarcoma / Q000175:diagnosis* / Q000453:epidemiology; D003952:Diagnostic Imaging; D006801:Humans; D008297:Male; D011379:Prognosis; D012447:Sacrum; D013125:Spinal Neoplasms / Q000175:diagnosis* / Q000453:epidemiology