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. 2021 Apr 20;96(16):e2078–e2089. doi: 10.1212/WNL.0000000000011792

Figure 7. MRI Abnormalities in Chronic Immune Sensory Polyradiculopathy (CISP)–Plus.

Figure 7

(A) T2 axial lumbar MRI from a patient with CISP-plus shows clumping and thickening of lumbar nerve roots. (B) The same patient and lumbar level as in (A) with T1 postcontrast imaging shows contrast enhancement of the roots. (C) Sagittal T1 postcontrast imaging of the cauda equina from a patient with CISP-plus shows enlargement and enhancement of the lumbar roots. (D) T2 axial MRI of the lumbosacral plexus from a patient with CISP-plus shows enlarged nerves with increased T2 signal of the lumbosacral plexus on the right (arrow) compared to the left.