[Voluminous hepatomegaly in a young diabetic patient]. / Volumineuse hépatomégalie chez une jeune malade diabétique.

A young woman with type I diabetes mellitus, was hospitalized for a voluminous hepatomegaly associated with hepatocellular glycogen overloading suggesting Mauriac's syndrome. Two factors are involved in the physiopathology of this syndrome, hyperglycemia, and hyperinsulinemia which activates glycogenesis and inhibits glycogenolysis. The prognosis is normally favourable if diabetes is controlled.