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KMID : 0939920180500041444
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대한암학회지
2018 Volume.50 No. 4 p.1444 ~ p.1451
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Trends in Gallbladder Cancer Incidence and Survival in Korea
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Wi Young-Jun
Woo Hyeong-Taek
Won Young-Joo
Jang Jin-Young
Shin Ae-Sun
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Abstract
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Purpose: The current study was undertaken to examine the trend in gallbladder cancer (GBC) incidenceand survival in Korea.
Materials and Methods: GBC incidence data by histologic typewere obtained from the Korea Central Cancer Registry.Age-standardized incidence rates were calculated using the mid-year Korean population of2000 as a standard population, and a joinpoint regression model was used to calculate theannual percent change (APC) in incidence rates. Incidence by Surveillance, Epidemiology and End Results (SEER) summary stage and by geographical areas and female-to-male incidencerate ratios was also described.
Results: The number of new GBC cases increased between 1999 and 2013. Nevertheless, the agestandardizedincidence rate decreased by 0.5% per year in men (p < 0.01), whereas theincidence rate in women did not change significantly over the same period (APC, ?0.2;p=0.59). The most common histologic type was adenocarcinoma in both sexes. Based onthe SEER stage, the distant stage was the most frequent stage (41%), followed by theregional stage (37%). Ulsan (4.31/100,000 for men and 4.09/100,000 forwomen in 2009-2013) and Gyeongsangnam-do (4.15/100,000 for men and 3.54/100,000 for women)showed the highest GBC incidence, whereas the lowest incidence was observed in Seouland Gyeonggi-do. There were no significant sex differences in the incidence of GBC (femaleto-maleincidence rate ratio, 0.96).
Conclusion: The overall incidence of GBC in Korea did not change significantly over the 15-year period.Incidence for men and women was similar. However, geographical variation was found.
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KEYWORD
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Gallbladder neoplasms, Epidemiology, Incidence, Survival, Geographic variation
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