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Preoperative imaging of case 2, a 52-year-old woman with a large sacral mass. (A) Axial T2 magnetic resonance imaging (MRI) shows invasion of the spinal canal at the level of the midsacrum. Coronal (B) and sagittal (C) T1 gadolinium-enhanced MRI. The cystic destructive and peripherally-enhancing lobular mass was suggestive of chondrosarcoma.
