Hereditary polyneuropathies are heterogeneous group of diseases of the peripheral nervous system. In this study, we investigated the demographic, clinical, electrophysiological, and genetic characteristics of hereditary polyneuropathy patients diagnosed and followed up in our tertiary center clinic in Izmir, Turkey. Patients who were diagnosed with hereditary polyneuropathies during nerve conduction studies in our center were evaluated retrospectively. In a total of 1484 nerve conduction studies, 207 patients were diagnosed with polyneuropathy. Ninety-nine of those patients were determined to have hereditary polyneuropathy, 52 of which were male and 47 were female. Sixty-nine patients with hereditary polyneuropathy were compatible with axonal and 30 were compatible with demyelinating polyneuropathy. Genetic analysis was performed in 69 patients, and 49 of those patients were genetically diagnosed, leading to a diagnosis rate of 71%.Advances in genetics have led to an increase in the heterogeneity of hereditary polyneuropathies, causing difficulties in the use of existing classifications. Although typical mutations expected in childhood-onset polyneuropathies are seen less frequently, polyneuropathies are frequently encountered as findings of complex, multisystemic diseases. For more information click here.
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