Glycogen storage disease due to acid maltase deficiency, adult onset Pompe disease, adult onset Alpha-1,4-glucosidase acid deficiency, adult onset GSD due to acid maltase deficiency, adult onset orphanet Glycogen storage disease due to acid maltase deficiency, late onset (AMDL), a form of Glycogen storage disease due to acid maltase deficiency (AMD), a degenerative metabolic myopathy particularly affecting respiratory and skeletal muscles, is characterized by an accumulation of glycogen in lysosomes. glycogen storage disease ii, adult form GSD type 2, adulte onset Glycogenosis due to acid maltase deficiency, adult onset ICD10:E74.0 Glycogenosis type 2, adult onset Glycogen storage disease type 2, adult onset Glycogen storage disease due to acid maltase deficiency