The European Federation of Neurological Societies (EFNS)/Peripheral Nerve Society (PNS) guidelines for the diagnosis of MMN are currently widely used but probably need revision. Nerve ultrasound and plexus/nerve MRI can be helpful in diagnostic dilemmas. Monitoring of disease and response to treatment may improve using disease-specific evaluation scales such as MMN-Rasch-built overall disability scale. Further research into the pathophysiology of MMN is necessary to direct future treatment strategies.

Cyclic shear loading with intermittent impulse loads can reliably create fracture in the pars interarticularis in ex vivo porcine spine segments. Subsequent cyclic anterior motion of the superior vertebra results in clinically-relevant spondylolysis and spondylolisthesis.

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