춘천지역에서 위암 발생률 변화에 관한 연구
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BACKGROUNDS: Stomach cancer is the most common cancer in Korea, and can be diagnosed easily by endoscopy with histological confirmation at primary clinic. Recently, With knowing the fact that Helicobacter pylori was associated with cause of the stomach cancer, there has been culminating interest of the epidemiology of stomach cancer. Previously, we reported the incidence of the stomach cancer in ChunCheon city in 1992. Therefore, we estimate the incidence of the stomach cancer in Chuncheon city in 2002 and compare that to the previous report of 10 years ago. It could provide the basic epidemiologic data of stomach cancer in Korea and reinforce the effort for detection of early gastric cancer in Korea. METHODS: The study period was from Jul.1. 2000 to Jun.30.2002 and subjects were confined to newly diagnosed cases living in Chuncheon city during this period. The data collected through medical records from all medical facilities located in Chuncheon city and where endoscopic or roentgenographic diagnosis was available. RESULTS: The total cases of newly diagnosed stomach cancer during this period(2000-2002) were 186(male 117 cases, female 69 cases).The annual crude incidence rate of stomach cancer was estimated to be 37.0 persons per 100,000 persons in all, 47.0 and 27.2 persons per 100,000 persons in male and female, respectively. The annual age standardized incidence rate of the stomach cancer for the Korean population was 33.7 persons per 100,000 persons in all, 42.2 and 25.1 persons per 100,000 persons in male and female, respectively. Compared with previous report (1992-1993), the annual crude incidence rate of stomach cancer in all was not decreased (35.7 in 1992-1993 vs. 37.0 in 2000-2002), and the rate was decreased in male and was increased in female.This result was due to increased proportion of 40s female stomach cancer patients. The major symptoms of stomach cancer patients were epigastric pain (61.8%), weight loss(31.2%) and indigestion(28.5%). Asymptomatic patients diagnosed by health care program were 21 cases(11.3%). In view of the proportion of early gastric cancer to advanced gastric cancer, the proportion of early gastric cancer was increased(34.9%) than previous report(14.7%). CONCLUSIONS: We estimated the incidence rate of the stomach cancer in Chuncheon city during 2000-2002 and compared with previous report(1992-1993). The annual crude incidence rate of the stomach cancer was not decreased in Chuncheon city since 10 years ago. More efficient and active stomach cancer surveillance program is needed.