Acta oncologica (Stockholm, Sweden) · 2007
Esophageal cancer in Stockholm county 1978-1995.
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Stockeld Dag, Backman Lars, Fagerberg Jan, Granström Lars
Аннотация
BACKGROUND: Most studies regarding esophageal cancer are based on a selection of patients, influencing the prognosis as well as other variables measured. Sweden may be unique in that it has registries that cover the whole population, permitting population based studies regarding diseases such as esophageal cancer. This also makes it possible to study the true nature of a population of patients and to describe changes in that population over time.
METHOD: Retrospective analysis of the files of all 1284 patients diagnosed with esophageal cancer in Stockholm County 1978-1995. The study period was divided into three six-year intervals (periods I, II and III).
RESULTS: A total of 201 patients were diagnosed at autopsy. They were only analyzed regarding histopathological and demographic parameters. A statistically significant increased survival for the whole group of patients was found, but this improvement in survival was not found among resected patients. No survival benefit was noted for patients operated on at large centers compared to patients operated on at surgical clinics with few yearly resections performed. The well-known increase in the incidence of adenocarcinoma in the esophagus among men was documented. A tendency (non-significant) of an increase in the incidence of adenocarcinoma among women was also noted.
CONCLUSIONS: Survival seems to have increased among esophageal cancer patients, but this survival benefit is not dependent on improved surgery. The number of yearly operations in a clinic did not correlate to long-term survival in this study.
METHOD: Retrospective analysis of the files of all 1284 patients diagnosed with esophageal cancer in Stockholm County 1978-1995. The study period was divided into three six-year intervals (periods I, II and III).
RESULTS: A total of 201 patients were diagnosed at autopsy. They were only analyzed regarding histopathological and demographic parameters. A statistically significant increased survival for the whole group of patients was found, but this improvement in survival was not found among resected patients. No survival benefit was noted for patients operated on at large centers compared to patients operated on at surgical clinics with few yearly resections performed. The well-known increase in the incidence of adenocarcinoma in the esophagus among men was documented. A tendency (non-significant) of an increase in the incidence of adenocarcinoma among women was also noted.
CONCLUSIONS: Survival seems to have increased among esophageal cancer patients, but this survival benefit is not dependent on improved surgery. The number of yearly operations in a clinic did not correlate to long-term survival in this study.