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Table 11 Diagnostic criteria for PML (according to [20])

From: S1 guidelines “lumbar puncture and cerebrospinal fluid analysis” (abridged and translated version)

Certainty of PML diagnosis

Clinical features

MRI

JCPyV-PCR

Definite

+

+

+

Probable

+

+

+

+

Possible

+

+

−/ND

+

Not PML

+

+

  1. ND Not determined