Samson, I R Operative treatment of sacrococcygeal chordoma. A review of twenty-one cases. [electronic resource] - The Journal of bone and joint surgery. American volume Oct 1993 - 1476-84 p. digital Publication Type: Journal Article ISSN: 0021-9355 Standard No.: 10.2106/00004623-199310000-00008 doi Subjects--Topical Terms: AdultAgedChildChordoma--diagnostic imagingFemaleHumansMaleMiddle AgedNeoplasm MetastasisNeoplasm Recurrence, LocalRetrospective StudiesSacrum--diagnostic imagingSpinal Neoplasms--diagnostic imagingSurgical Procedures, Operative--methodsSurvival RateTomography, X-Ray ComputedTreatment Outcome