Proposed clinico-genetic algorithm for the workup of Huntington disease (HD) phenocopy patients, highlighting key diagnoses to be considered.
From: Hensman Moss DJ, Poulter M, Beck J, et al. C9orf72 expansions are the most common genetic cause of Huntington disease phenocopies. Neurology 2014; 82:292. DOI:
10.1212/WNL.0000000000000061. Copyright © 2014 American Academy of Neurology. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.