• Laurent Magy, Stéphane Mathis, Gwendal Le Masson, Cyril Goizet, Meriem Tazir, and Jean-Michel Vallat.
• From the Department of Neurology (L.M., J.-M.V.), Centre de Référence Neuropathies Rares, CHU Limoges; Department of Neurology, Nerve-Muscle Unit (S.M., G.L.M.), and Department of Neurogenetics (C.G.), CHU Bordeaux (Pellegrin Hospital), France; and Department of Neurology (M.T.), CHU Mustapha Bacha, Algiers, Algeria. laurent.magy@unilim.fr.
• Neurology. 2018 Mar 6; 90 (10): e870-e876.

ObjectiveThe continual discovery of disease-causing gene mutations has led to difficulties in the complex classification of Charcot-Marie-Tooth diseases (CMT) that needs to be revised.MethodsWe recently published a proposal to update the classification of inherited neuropathies. The reactions from colleagues prompted us to diffuse the proposal and ask people if they would be ready for such a change. We therefore performed an internet survey (from October 1, 2016, to December 1, 2016) that included more than 300 CMT worldwide specialists (practitioners and scientists) from various countries. A questionnaire (with proposals to update and simplify the way in which CMT is classified) was sent by e-mail to all participants in the last International Charcot-Marie-Tooth and Related Neuropathy Consortium meeting held in Venice, September 8-10, 2016 (as identified through an e-mail list).ResultsOf the 107 CMT specialists who answered the survey, 65% considered that changes are needed and that our proposals constituted an improvement over the historical classification of CMT.ConclusionsBased on recent proposals in the medical literature, these results highlight that most specialists think that changes are needed to the classification of CMT.© 2018 American Academy of Neurology.

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