The current diagnostic criteria for ALS, the El Escorial Criteria, have met with criticism by the community (Agosta F, Al-Chalabi A, Filippi M, Hardiman O, Kaji R, Meininger V,Nakano I, Shaw P, Shefner J, van den Berg LH, Ludolph A; WFN Research Group on ALS/MND. The El Escorial criteria: strengths and weaknesses. Amyotroph Lateral Scler Frontotemporal Degener. 2015 Mar;16(1-2):1-7). Therefore, the WFN Research Group on ALS MND suggested a revision which was published last year.
ALS and frontotemporal dementia