<unk> , also known as xanthine oxidase deficiency, is a rare genetic disorder causing the accumulation of xanthine. It is caused by a deficiency of the enzyme xanthine oxidase.
It was first formally characterized in 1954.
Xanthinuria
Lipiduria
Cystinuria
Glucosuria
Beeturia
Hypocitraturia
Trimethylaminuria
Aminoaciduria