Abstract
The sacrum is a triangular shaped bone made up of five fused vertebral bodies. It
is composed of bone, cartilage, marrow elements as well as notochord remnants and
is a common site for both benign and malignant (primary and secondary) tumors. Familiarity
with the imaging features and clinical presentations of sacral bone tumors could be
helpful in narrowing the differential diagnosis. Magnetic resonance imaging and computed
tomography are the preferred imaging modalities for evaluating sacral masses. This
pictorial review will highlight imaging features of common sacral tumors with pathologic
correlation. Additionally, this article will review some critical principles and helpful
tips to successfully biopsy these lesions.
Keywords
chondrosarcoma - chordoma - giant cell tumor - metastasis - osteosarcoma - sacrum
