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Bile duct injuries can occur after abdominal trauma, postoperatively after cholecystectomy, liver resection or liver transplantation and also as a complication of endoscopic retrograde cholangiopancreatography (ERCP). The clinical appearance of bile duct injuries is highly variable and depends primarily on the underlying cause. In addition to the high perioperative morbidity, following successful initial complication management, bile duct injuries can lead to significant long-term complications. The treatment requires close interdisciplinary cooperation between surgery, interventional gastroenterology and interventional radiology. The treatment of bile duct injuries depends primarily on the time of diagnosis (intraoperative/postoperative) as well as the extent of the injury and is discussed in this review.

The growing clinical impact of radiofrequency ablation of liver lesions is reflected by a rapidly increasing number of published papers. Experimental work focuses on factors that reduce the variability of the ablation zone. The Pringle-maneuver plays a key role in this question from a surgeon's perspective. Large single center studies and a meta-analysis show a sharp rise in the rate of local recurrences for tumors larger 3 cm. An open surgical approach is significantly correlated to a low local recurrence rate. Bile duct lesions and intrahepatic abscesses are the most frequent complications. Intraductal bile duct cooling can prevent these complications. Three prospective randomized trials support the use of RFA for small hepatocellular carcinoma. The use of RFA in patients with multiple colorectal metastases is supported by single center studies showing a 3 year survival of35%. The favourable cost / benefit ratio will make RFA a part of future multimodal cancer therapy concepts.

Caroli's disease is a liver disease with segmental cystic dilatation of the intrahepatic bile ducts. It belongs to the group of congenital ductal plate malformations. With an incidence of only 0.05% of all liver cases in the Liver Registry of the University of Cologne, it is a very rare disorder. Caroli's disease is usually combined with cholangitis and bile duct stones. Control of these infections and maintenance of biliary drainage are the main therapeutic aims. The development of intra epithelial neoplasia and invasive carcinoma are rare complications. We report a case of Caroli's disease with the development of cholangiocarcinoma and review the literature.

A two-step procedure is suggested to reduce the overall operative risk in patients with colorectal cancer and large synchronous liver metastases, which demand an extended right hemihepatectomy for R0 resection.The clinical course and volumetric evaluation of the liver is described in three patients in whom preliminary ligation of the right branch of the portal vein was performed at the time of colon resection.The size of the left lateral lobes increased by 9.9%, 13.7%, and 4.9% of total liver volume, respectively. At the same time, the noninfiltrated part of the right lobes shrunk by 36.7%, 36%, and 6% ukereas metastatic growth was 26.8%, 22.3%, and 12%. After 7 weeks, extended right hemihepatectomy could be performed in all three patients without signs of hepatic insufficiency, yielding R0 resection.Can reduce the risk for extended right hemihepatectomy in selected patients with synchronous colorectal liver metastases.