Alkaptonuria (AKU) is a rare genetic disorder characterized by the accumulation of homogentisic acid (HGA) in the body due to a deficiency in the enzyme homogentisate 1,2-dioxygenase. This ...

Disease name: Alkaptonuria, also known as "black urine disease" Affected populations: The exact prevalence of alkaptonuria worldwide is unknown. However, estimates suggest that the disease affects ...