Fig. 2From: Neurolymphomatosis of the median nerve, optic nerve, L4 spinal nerve root and cauda equina in patients with B-cell malignancies: a case seriesa (i) and (ii) Right median nerve biopsy. Neural tissue shows involvement by lymphoma cells compatible with Burkitt lymphoma. Positivity for CD20 b(i) and Ki67 (ii) is shown. Ki67 expression was 100%.Back to article page