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Fig. 1E —70-year-old man with progressive back pain and neurologic decline.
Axial T2-weighted image though mass depicts lamellated appearance of lesion
with central hyperintensity (arrow) and peripheral hypointensity
(arrowhead). Arrowhead indicates inner of two hypointense rings,
better depicted in D. Punctuate area of hypointensity at tip of arrow
is catheter. Asterisk indicates compressed and displaced spinal cord.