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.
Including the Italian speakers in non-EU European countries (such as Switzerland and Albania) and on other continents, the total number of speakers is around 85 million. Italian has been reported as the fourth most frequently taught foreign language in the world, although this is disputed.talian is a Romance language, and is therefore a descendant of Vulgar Latin. Standard Italian is based on Tuscan, especially its Florentine dialect, and is therefore an Italo-Dalmatian language, to which Sicilian and the extinct Dalmatian also belong, among a few others.