Abstract
Differential diagnostics of multifocal motor neuropathy (MMN) has many difficulties associated with a number of factors: rare nature of disease, polymorphic clinical forms and a phenotypic picture similar to peripheral motor neuron diseases. Such diseases also include rare nosological forms: amyotrophic lateral sclerosis, hereditary myopathies and neuropathies; their general phenotypic picture has a form of progressive flaccid paralysis, age of the disease onset and the nature of its course. However, different pathogenesis of these diseases requires a differentiated approach to therapy.
 This article deals with differential diagnostics of multifocal motor neuropathy, gives examples of modern diagnostic criteria necessary for diagnosing multifocal motor neuropathy and analyzes a clinical case with an incorrect diagnosis of multifocal motor neuropathy.
Highlights
Федеральное государственное бюджетное образовательное учреждение высшего образования «Северо‐Западный государственный медицинский университет имени И.И
Differential diagnostics of multifocal motor neuropathy (MMN) has many difficulties associated with a number of factors: rare nature of disease, polymorphic clinical forms and a phenotypic picture similar to peripheral motor neu‐ ron diseases
Such diseases include rare nosological forms: amyotrophic lateral sclerosis, hereditary myopathies and neuropathies; their general phenotypic picture has a form of progressive flaccid paralysis, age of the disease on‐ set and the nature of its course
Summary
North-West State Medical University named after I.I. Mechnikov, Saint Petersburg, Russia. Herald of North-Western State Medical University named after I.I. Mechnikov. Differential diagnostics of multifocal motor neuropathy (MMN) has many difficulties associated with a number of factors: rare nature of disease, polymorphic clinical forms and a phenotypic picture similar to peripheral motor neu‐ ron diseases. Such diseases include rare nosological forms: amyotrophic lateral sclerosis, hereditary myopathies and neuropathies; their general phenotypic picture has a form of progressive flaccid paralysis, age of the disease on‐ set and the nature of its course.
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