glycogenosis type 4

branch·er gly·co·gen stor·age dis·ease

type of glycogen storage disease, due to deficiency of amylo-1,4-1,6-transglucosidase (brancher enzyme).

gly·co·ge·no·sis type 4

(glī'kō-jĕ-nō'sis tīp)
Familial cirrhosis with storage of abnormal glycogen; glycogenosis due to deficiency of 1,4-α-glucan branching enzyme, resulting in accumulation of abnormal glycogen with long inner and outer chains in liver, kidney, muscle, and other tissues.
Synonym(s): Andersen disease.