title: Multifocal giant cell tumors in the spine. A case report.
abstract: METHODS
  This is a case report of a patient with two giant cell tumors, the first in thoracic spine and the second, two years later, in the sacrum.
  
  
  OBJECTIVE
  To report the first patient in whom multifocal primary giant cell tumors have been found in the spine.
  
  
  BACKGROUND
  There have been no similar previous reports.
  
  
  METHODS
  The diagnoses were made by biopsy.
  
  
  RESULTS
  Curative removal of both tumors was achieved.
  
  
  CONCLUSIONS
  More than one primary giant cell tumor in the spine can develop.
authors.affiliation: Department of Radiology, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands.
authors.forename: C B
authors.initials: CB
authors.lastname: Kos
authors.forename: W K
authors.initials: WK
authors.lastname: Taconis
authors.forename: M W
authors.initials: MW
authors.lastname: Fidler
authors.forename: J J
authors.initials: JJ
authors.lastname: ten Velden
mesh_terms: D000328:Adult; D001706:Biopsy; D005260:Female; D005870:Giant Cell Tumors / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D012447:Sacrum / Q000000981:diagnostic imaging / Q000473:pathology; D012983:Soft Tissue Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed