Skin is cleaned with antiseptic. The anesthetic is administered. The procedure does not begin until you are numb. Local anesthetic may sting the skin. When the needle penetrates deeper into the liver, it may produce temporary pain.
Flexible needle is inserted into the liver.
When fluoroscopy indicates the needle is in a bile duct, dye is injected. Spot films of the bile-duct system are taken. Needle is removed. Dressing is applied. You may be asked to wait a short while until films are developed.