Frontotemporal Dementia and/or Amyotrophic Lateral Sclerosis 8, also known as ftdals8, is related to trichoepithelioma, multiple familial, 1 and cylindromatosis, familial. An important gene associated with Frontotemporal Dementia and/or Amyotrophic Lateral Sclerosis 8 is CYLD (CYLD Lysine 63 Deubiquitinase). Affiliated tissues include temporal lobe and spinal cord.