Table 5.
Diagnostic criteria for possible MMN8
| Possible | or | Possible |
|---|---|---|
| Clinical | ||
| • All core criteria (1,2) | • All core criteria (1,2), one nerve | |
| • All exclusion criteria (8–11) | • All exclusion criteria (8–11) | |
| Electrophysiological | ||
| • Normal SNAP conduction in motor nerve(s) with CB | • Definite or probable CB, one nerve | |
| • Normal SNAP conduction in motor nerve(s) with CB | ||
| Laboratory/supportive | ||
| • Objective clinical improvement following IVIg treatment | • Supportive only (not necessary) | |
Note: Copyright © 2010 Peripheral Nerve Society. Reproduced with permission from John Wiley & Sons, Inc. Joint Task Force of the EFNS and the PNS. European Federation of Neurological Societies/Peripheral Nerve Society guideline on management of multifocal motor neuropathy. Report of a joint task force of the European Federation of Neurological Societies and the Peripheral Nerve Society–first revision. J Peripher Nerv Syst. 2010;15(4):295–301.
Abbreviations: CB, conduction block; IVIg, intravenous immunoglobulin; MMN, multifocal motor neuropathy; SNAP, sensory nerve action potential.