Incidence Pattern and Survival for Gallbladder Cancer Over Three Decades—An Analysis of 10301 Patients
- 16 November 2006
- journal article
- Published by Springer Science and Business Media LLC in Annals of Surgical Oncology
- Vol. 14 (2), 827-832
- https://doi.org/10.1245/s10434-006-9224-4
Abstract
Background Little is known about the trends in the incidence, survival, and treatment patterns of gallbladder cancer over the last decade. Methods Data of patients in the Surveillance, Epidemiology and End Results Program of the National Cancer Institute (SEER 13) with a diagnosis of primary gallbladder cancer from 1973–2002 were examined. The effect of surgery and radiotherapy on survival was examined. Incidence of disease, survival, use of surgery, and radiotherapy for patients diagnosed between 1993 and 2002 (Group B) were compared to the others (Group A). Results Median age of the 10301 included patients was 73. 72.4% were female and median survival was 4 months. SEER histologic stage was classified as localized (23.7%), regional (37.4%), and distant (38.9%) patients. Median survival for these stages was 20 months, 5 months, and 2 months, respectively. 81.5% patients underwent surgery and 13.3% radiotherapy. Median survival of patients undergoing surgery was significantly longer (8 versus 2 months, P < 0.0001). Radiotherapy in addition to surgery was associated with prolonged survival for patients with regional and distant stages but not localized stage. Over the 3 decades, the incidence of gallbladder cancer gradually decreased in patients older than 50 years, but increased in younger patients. Significantly fewer Group B patients underwent surgery compared with Group A (74.6% versus 89.9%, P P < 0.01). Conclusions Over the last decade, the incidence of gallbladder cancer has reduced in patients older than 50 years with an increased incidence in younger patients. Survival of patients has also improved over the last decade. The number of patients undergoing surgery has reduced with an increase in the use of radiotherapy.Keywords
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