Multifocal motor neuropathy (MMN): clinical features
Evidence-based neurology checklist on multifocal motor neuropathy (mmn): clinical features: Main clinical features Upper limb onset weakness Wrist drop Weak grip Foot drop Frequent cramps Twitching Differential finger extension weakness Cold paresis: weakness is worse in the cold Rarer clinical…
Main clinical features
- Upper limb onset weakness
- Wrist drop
- Weak grip
- Foot drop
- Frequent cramps
- Twitching
- Differential finger extension weakness
- Cold paresis: weakness is worse in the cold
Rarer clinical features
Reported MMN risk factors
Monofocal motor neuropathy variant
Differential diagnosis: motor neurone disease (MND)
Differential diagnosis: others
References
- Willison H, Mills K. Multifocal motor neuropathy. Pract Neurol 2002; 2:298-301.
- Van Asseldonk JTH, Franssen H, Van den Berg-Vos RM, et al. Multifocal motor neuropathy. Lancet Neurol 2005; 4:309-319.
- Rajabally YA. Multifocal motor neuropathy: review of a treatable immune mediated disorder. Postgrad Med J 2008; 84:287-292.
- Slee M, Selvan A, Donaghy M. Multifocal motor neuropathy: the diagnostic spectrum and response to treatment. Neurology 2007; 69:1680-1687.
- Ivanovski T, Miralles F. Differential weakness of finger extensor muscles: a clinical pattern of multifocal motor neuropathy. Muscle Nerve 2017; 55:433-437.
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