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Pattern of oligoclonal IgG bands. Type I No bands in CSF and serum. Type II OCBs present in CSF without corresponding bands in serum. Type III OCBs present in both CSF and serum, with additional bands present in CSF. Type IV OCBs present in CSF, which are identical to those in serum ( ‘mirror pattern’). Type V bands present in CSF, which are identical to those in serum ( ‘ladder pattern’).
CSF: cerebrospinal fluid; OCBs: oligoclonal bands; S: serum.
