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박경남,한동수,이민호,이동석,윤병철,손주현,이오영,함준수,기춘석,김명곤 대한소화기내시경학회 1995 Clinical Endoscopy Vol.15 No.2
Extragonadal choriocarcinoma arising in the stomach of a 53-year-old male is presented. The tumor was diagnosed as choriocarcinorna of the stomach by histologic examination and immunohistologic method of biopsy specimens. The tumor showed the multiple metastases to the lung and liver. The level of human chorionic gonadotropin was significantly increased in the serum. The patient died of hepatic failure at the 26th hospital day.
박경남,이용욱,이민호,조윤주,최호순,윤병철,손주현,함준수,전용철,전규영,박영석,기춘석,이동후 대한소화기학회 2000 대한소화기학회지 Vol.35 No.2
Background/Aims: Changes of bile acid concentration may play an important role in the carcino genesis of colorectal cancer. We intended to assess the difference in bile acid concentrations between patients with colorectal cancer and controls. Methods: In 18 patients with colorectal cancer and 10 controls, gallbladder bile was obtained by direct gallbladder puncture and analyzed by high performance liquid chromatography combined with an enzyme method (JASCO method). Results: There was a significant increase in the concentration of chenodeoxycholic acid (CDCA) (41.02±18.42 ㎎/㎖) and total bile acids (72.97± 37.60 ㎎/㎖) (p$lt;0.05) of patients with colorectal cancer as compared with those of controls (CDCA 22.99±18.65 ㎎/㎖, total bile acids 42.74±35.29 ㎎/㎖) The concentrations of primary bile acids and the proportion of secondary bile acids in total bile acid were also higher in patients with colorectal cancer than in controls. Conclusions: Concentrations of CDCA and total bile acids in patients with colorectal cancer were higher than those in controls These results suggest that the changes in bile acid concentration is related to the pathogenesis o colorectal cancer in Korea.
박준용,박경남,한동수,박일규,이민호,조윤주,최호순,윤병철,이오영,함준수,전용철,손주현,박영석,기춘석 대한소화기학회 1998 대한소화기학회지 Vol.30 No.3
Background/Aims: The guaiac test, the most available test for colorectal cancer screening, has low sensitivity for detecting colorectal cancer. Recently, some studies suggested that immunochemical fecal occult blood tests(FOBT) are more efficient at detecting colorectal cancer than the guaiac test. We compared the sensitivity and specificity of FOBTs in symptomatic patients with total colonos-copy to determine whether a guaiac test or immunochemial test has superior efficiency for colorectal cancer screening. Methods: Hemoccult II^(R)(Smithklein Diamostics) and OC-Hemodia^(R)(Eiken chemical co.) was performed or 356 symptomatic patients in whom total colonoscopy was indicated. All patients underwent total colonoscopy after FOBT. Results: Colorectal cancers were detected in 19 patients and polyps with diameter over 1cm were detected in 18 patients. The sensitivity of the test for detecting colorectal cancer was 42.11% in both of the tests, The specificity for colorectal cancer was 92.47%(95% confidence interval: 91.0 to 94.0%) with OC-Hemodia^(R)and 88.21%(95% CI:86.4 to 90.0%) with Hemoccult II^(R). The sensitivity of both FOBT was 20% for ascending colon cancer, 0% for transverse colon cancer, 25.% for descending colon cancer, and 57.14% for rectosigmoid colon cancer. The sensitivity for polyps was 5.56% with OC-Hemodia^(R) and 5.88% with Hemoccult II^(R). The specificity for polyps was 90.10% with OC-Hemodia^(R) and 92.37% with Hemoccult II^(R). Conclusions: OC-Hemodia^(R) has no superiority to Hemoccult II^(R) for detecting colorectal cancer and both of the tests were by far not a an ideal screening test for colorectal cancer. The evaluation of the effect of FOBT for early diagnosis and reducing mortality in colorectal cancer as a mass screening test should be performed.