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Fig. 2E —66-year-old woman with 0 of 5 lower extremity motor strength score
and loss of bowel and bladder control. Axial T2-weighted MR image through
lesion in C and D shows lesion is centrally hyperintense, rim is
hypointense, and spinal cord (asterisk) is displaced posteriorly
toward left and compressed by lesion. Low signal intensity of catheter
(arrowhead) is evident along periphery of mass. Mass (arrow)
has formed in area of contrast pooling present in A and B.