Case timeline. Important events and treatments are noted, in chronological order, on the left side of the timeline. Highlighted changes to the physical exam, cerebrospinal fluid (CSF) profile, JC virus (JCV) viral load, and CD4 and CD8 lymphocyte counts are noted on the right
LP = lumbar puncture; lymph/ly = lymphocytes; PET/CT = combined positron emission tomography, computed tomography; Q d = daily; Q wk = every week; IVMP = intravenous methylprednisolone; IVIG = intravenous immunoglobulin; Rx = treatment; IgG = immunoglobulin G