glycogen storage disease II glycogen storage disease due to acid maltase deficiency, late-onset MONDO:0018485 GSD due to acid maltase deficiency, late onset GSD due to acid maltase deficiency, late-onset glycogenosis type 2, late-onset GSD type II, late onset glycogen storage disease type 2, late-onset GARD:0021746 glycogen storage disease type II, late-onset OMIM:621314 glycogenosis type II, late onset Alpha-1,4-glucosidase acid deficiency, late-onset Pompe disease, late-onset Pompe disease, late onset LOPD 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. GSD type 2, late-onset GSD type 2, late onset Orphanet:420429 SCTID:722343009 glycogenosis type 2, late onset UMLS:C0342753 glycogenosis type II, late-onset GSD type II, late-onset MEDGEN:575206 glycogen storage disease type II, late onset glycogen storage disease type 2, late onset Alpha-1,4-glucosidase acid deficiency, late onset