title: Ultrasonic echo examination as an aid in diagnosis of congenital bile duct lesions.
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis*; D001652:Bile Ducts / Q000002:abnormalities*; D002675:Child, Preschool; D002779:Cholestasis / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007680:Kidney Neoplasms / Q000175:diagnosis; D007690:Polycystic Kidney Diseases / Q000175:diagnosis; D014463:Ultrasonography; D009396:Wilms Tumor / Q000175:diagnosis