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Fig. 2B. —56-year-old woman with false-negative findings on MR imaging for L5-S1 disk-space infection. Corresponding sagittal T2-weighted fast spin-echo MR image (5000/112) shows increased signal at both endplates at L5-S1 disk intervertebral level. In addition, centrally located increased signal intensity is seen in disk at level L5-S1 (arrow).