Biliary tract malignancies: a population-based study on incidence, prognosis and management of patients.
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Jonasson, Jon Gunnlaugur
Jonsdottir, Sara B
Garcia, Henrik G
Möller, Pall Helgi
Björnsson, Einar S
MetadataShow full item record
CitationBiliary tract malignancies: a population-based study on incidence, prognosis and management of patients. 2016, 51 (12):1520-1525 Scand. J. Gastroenterol.
AbstractBiliary tract malignancies are uncommon and few population-based studies are available.
This nationwide population-based study in Iceland included all patients diagnosed with intra- and extrahepatic cholangiocarcinoma, gallbladder and ampullary cancer from 1984 to 2012. Patients were identified through the Icelandic Cancer Registry. Clinical information was obtained from patient records.
Overall 245 patients were identified: 38 had intrahepatic cholangiocarcinoma, 66 extrahepatic cholangiocarcinoma, 73 gallbladder cancer (GBC) and 68 ampullary cancer. Overall incidence for bile tract malignancies was 1-3 per 100,000 person-years and less than 1 by sub-type. The overall bile tract malignancies in males increased from 1.3 (95% CI 0.8-1.8) to 2.5 (1.9-3.1) per 100,000 inhabitants. The incidence of GBC among females decreased from 1.1 (0.7-1.5) to 0.5 (0.2-0.7). Surgery decreased for extrahepatic cholangiocarcinoma (56 to 23%, p = .027), ampullary cancer (80 to 48%, p = .03) and overall bile tract cancer (61 to 32%, p < .0001) but use of chemotherapy increased (4 to 32%, p < .0001). Five-year relative survival rates for men were 15% and 24% for women. No significant improvement was found in survival.
Overall incidence of bile tract malignancies increased in males and GBC decreased in women. Long-term survival is poor and did not improve despite changes in treatment.
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