. "C0917981"^^ . . . "Disease or Syndrome"^^ . "Progressive Muscular Atrophy"^^ . "Progressive Muscular Atrophy"^^ . . "A rare, milder form of amyotrophic lateral sclerosis. It is characterized by a slowly progressive clinical course. Signs and symptoms include muscle weakness, atrophy, and fasciculation.NCI" . "Progressive Muscular AtrophyPTNCI" . "C85027"^^ .