UPMC Content 2. Percutaneous transhepatic cholangiography, or PTC, is a way of examining the bile duct system in the liver. This procedure is done under local anesthesia by a radiologist. During the exam, a thin needle is inserted through the skin (percutaneous) and through the liver (transhepatic) into a bile duct.Then dye is injected, and the bile duct system is outlined on x-rays (cholangiography). Bile is a body fluid that helps your body digest fats.uring the exam, a thin needle is inserted through the skin (percutaneous) and through the liver (transhepatic) into a bile duct. Then dye is injected, and the bile duct system is outlined on x-rays (cholangiography).
Italian is the official language of Italy and one of the four official languages in Switzerland. Youâll find Italian speakers in Malta, Vatican State, San Marino, Croatia, Slovenia and France (especially in Corsica). Italian is also the second most spoken language in Argentina. It has however seen a decline in the African countries of Eritrea and Libya, which used to be Italian colonies.
Although Italian is only an official language in Italy, Switzerland and San Marino, dialects are spoken across the Adriatic in Croatia and Slovenia. Italian is also widely spoken by expatriate groups in North and South America, Australia and parts of Northern Africa.lthough Italian is only an official language in Italy, Switzerland and San Marino, dialects are spoken across the Adriatic in Croatia and Slovenia. Italian is also widely spoken by expatriate groups in North and South America, Australia and parts of Northern Africa.