Korean J Gastrointest Endosc > Volume 20(6); 2000 > Article
Korean Journal of Gastrointestinal Endoscopy 2000;20(6): 449-455.
원저 : 악성 담도 폐쇄에서 금속 배액관 삽입 후 강내 방사선 치료의 효과 ( The Efficacy of Intraluminal Radiotherapy after Metallie Stent Insertion in Malignant Biliary Tract Obstruction )
김인한(In Han Kim),이돈행(Don Haeng Lee),유종길(Jong Gil Yoo),권계숙(Kye Sook Kwon),조현근(Hyeon Geun Cho),최원(Won Choi),김범수(Pum Soo Kim),김형길(Hyung Gil Kim),신용운(Yong Woon Shin),김영수(Young Soo Kim),강성권(Sung Gwon Kang),김우철(Woo Chul Kim)
Abstract

Background/Aims:
Inoperable malignant biliary tract obstructions (MBTO) are best palliated by drainage procedures followed by radiation therapy. In order to administer high doses in a short time to the central part of the tumor, internal radiotherapy has been proposed for a palliative goa1. The aim of this study is to investigate the effect of intraluminal radiotherapy (ILRT) to the stent patency and patients survival time after expandable metallic stent insertion in MBTO.
Methods:
Between August 1996 and July 1998, 28 patients (17 females, 11 males, average age 61.4 years) with inoperable MBTO were provided with percutaneous transhepatic biliary drainage (12 patients; bile duct cancer, 8 patients; pancreatic head cancer, 4 patients; gallbladder cancer; 4 patients; lymph node metastasis from stomach cancer). The 14 patients were treated by only metallic stent. The other 14 patients were treated by metallic stent insertion and followed by ILRT. The ILRT was done by iridium-192 (mean dosage 23.3 Gray, 5 fractions).
Results:
There were no significant differences in the two groups regarding age, sex, type of disease, and location of the obstruction. The patients tolerated ILRT well.
Conclusions:
The ILRT after expandable metallic stent was safe and effective in stent patency and the patient's surviva1 time in inopcrable MBTO. (Korean J Gastrointest Endosc 2000;20:449-455)
Key Words: Malignant biliary tract obstruction, Metallic stent, Intraluminal radiotherapy, Stent patency, Survival time, 악성 담도 폐쇄, 금속 배액관, 강내 방사선 치료, 금속 배액관 개통성, 생존기간
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