Amyotrophic Lateral Sclerosis 15 with or Without Frontotemporal Dementia, also known as amyotrophic lateral sclerosis 15, with or without frontotemporal dementia, is related to amyotrophic lateral sclerosis type 15, and has symptoms including athetosis and dystonia. An important gene associated with Amyotrophic Lateral Sclerosis 15 with or Without Frontotemporal Dementia is UBQLN2 (Ubiquilin 2). Affiliated tissues include spinal cord and brain, and related phenotypes are amyotrophic lateral sclerosis and frontotemporal dementia