Fig. 12From: An update on Burkitt lymphoma: a review of pathogenesis and multimodality imaging assessment of disease presentation, treatment response, and recurrenceCentral nervous system involvement. A 24-year-old male presenting with abdominal and lower back pain. a Axial T2-weighted and (b) sagittal post contrast images of the lumbar spine and sacrum demonstrate an enhancing soft tissue mass within the lower spinal canal (arrows) with extension into bilateral sacral neural foramina. c Fused axial PET-CT demonstrates associated hypermetabolic activity within the sacral mass (solid arrow). Involvement of the right retroperitoneum is also seen (dashed arrow)Back to article page