Figure Lumbar spine MRI obtained on hospital day 2 demonstrating nerve root enhancement and evolution of CSF and electrodiagnostic findings Lumbar spine.

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Presentation transcript:

Figure Lumbar spine MRI obtained on hospital day 2 demonstrating nerve root enhancement and evolution of CSF and electrodiagnostic findings Lumbar spine MRI obtained on hospital day 2 demonstrating nerve root enhancement and evolution of CSF and electrodiagnostic findings (A) Axial T2-weighted image showing nerve roots (white arrows). (B) Axial T1-weighted image at the same level precontrast and (C) postcontrast showing gadolinium enhancement of nerve roots (white arrows). (D) Inset showing the nerve root enhancement at 2× magnification. (E) CSF analysis from days 4 and 12 demonstrating the marked increase in CSF protein between the 2 time points, much higher than values previously reported. (F) Pertinent findings from electrodiagnostic studies performed on hospital days 3 and 16 showing changes consistent with a lumbosacral polyradiculopathy vs anterior horn cell disease. CMAP = compound motor action potential; Fibs = fibrillation potentials; Ins'l = insertional; MUPs = motor unit potentials; NC = nucleated cells; PSWs = positive sharp waves; SNAP = sensory nerve action potential. Baijayanta Maiti, and Robert C. Bucelli Neurol Neuroimmunol Neuroinflamm 2014;1:e8 © 2014 American Academy of Neurology