The roles of serum and urinary carbohydrate antigen 19-9 in the management of patients with antenatal hydronephrosis

Based on these results, we suggest that a high urinary CA 19-9 level is a non-invasive clinically applicable marker for differentiating between obstruction and non-obstructive dilatation.63Figure. Voided urine CA 19-9 levels in each group.