Clinical feature: 

Definition: The excessive renal loss of simple sugars (monosaccharides) is called monosacchariduria. This group includes mainly diseases with wastage of glucose and galactose.

Literature: 

Elsas LJ et al. (1970) Renal and intestinal hexose transport in familial glucose-galactose malabsorption.
Wright EM et al. (1994) 'Active' sugar transport in eukaryotes.