A novel presentation of idiopathic adulthood ductopenia (IAD) in a young man.

A 24-years-old male patient was admitted to our institution for intermittent jaundice, fatigue, anorexia and dark urine which occurred six times in the past 8 years (twice in 2019). Liver function test showed elevated levels of bilirubin and liver enzymes. He had no fever, vomiting, abdominal pain or diarrhea, and denied special medication, heredity or family history. He drank alcohol occasionally.