Primary tumors of the sacrum are rare. In adults, the most common sacral tumors are metastases. The most common primary sacral tumor is a chordoma. Chordomas along as well as tumors such as chondrosarcomas, osteosarcomas, myxopapillary ependymomas, myelomas, and Ewing sarcomas are considered malignant. In this article the authors focus on benign sacral tumors.

Abbreviations used in this paper:ABC = aneurysmal bone cyst; CT = computerized tomography; GCT = giant cell tumor; GSS = giant sacral schwannoma; MR = magnetic resonance; SCT = sacrococcygeal teratoma.

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Address reprint requests to: Praveen V. Mummaneni, M.D., Department of Neurosurgery, Emory University, Crawford Long Hospital, 550 Peachtree St., Suite 806, Atlanta, GA 30308. email:

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