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한국인 간세포암 환자에서 경피적 에탄올 주입술의 치료 효과
강현우 ( Kang Hyeon U ),김윤준 ( Kim Yun Jun ),김강모 ( Kim Gang Mo ),강정묵 ( Kang Jeong Mug ),김수환 ( Kim Su Hwan ),김진현 ( Kim Jin Hyeon ),윤원재 ( Yun Won Jae ),윤정환 ( Yun Jeong Hwan ),윤용범 ( Yun Yong Beom ),이효석 ( Lee 대한소화기학회 2003 대한소화기학회지 Vol.42 No.6
Background/Aims: Percutaneous ethanol injection therapy (PEIT) is widely used for the treatment of hepatocellular carcinoma (HCC). However, its long-term therapeutic efficacy is not verified in Korea, one of hepatitis B virus (HBV) endemic areas. Thus, this study was to assess its efficacy and prognostic factors affecting tumor-free survival following PEIT in Korean HCC patients. Methods: From 1997 to 1999, 100 consecutive patients who had 1 to 3 HCC nodules of maximum diameter less than 3 cm and underwent PEIT were enrolled. Therapeutic efficacy, overall and tumor-free survival rates were assessed during follow-up periods. Results: In 83 patients, HCC nodules were completely ablated by PEIT. The cumulative 1, 2, and 3 year overall survival rates were 98%, 96%, and 88%, respectively. The cumulative 1, 2, and 3 year tumor-free survival rates were 73%, 50%, and 37%, respectively. Larger tumors (=2 cm) were associated with a higher local recurrence rate. Conclusions: These results demonstrate that PEIT is therapeutically useful in patients with HCC less than 4 in number and less than 3 cm in diameter. However, since multiple or large tumors are associated with low tumor-free survival or high local recurrence rates, PEIT for these tumors and the subsequent post-treatment follow-up should be performed carefully. (Korean J Gastroenterol 2003;42:502-509)