Unusual cholangiographic findings in a patient with primary sclerosing cholangitis: Cystic dilatation - Parlak, Erkan; KÖKSAL, AydIn Şeref; Dişibeyaz, Selçuk; Ödemiş, Bülent; ŞENGÜL, Ayşegül; AYDOĞ, Gülden; Şaşmaz, Nurgül (Turkish Journal of Gastroenterology, 2012)