悪性胆道閉塞に対するMicrowave Coagulation Therapy

概要

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AIM : This study evaluated the effects of Microwave Coagulation Therapy (MCT) for the malignant biliary obstruction.PATIENTS and METHODS : Five patients were bile duct cancer and one was pancreas cancer. Coagulation and hyperthermic treatment through PTBD fistula was performed using a coaxial cable with 1.8 mm spherical shaped probe or a 5.0 mm bullet shaped probe. MCT was continued once a week with 5.0 mm bullet shaped probe twice.RESULT : Biliary obstruction could be recanalized by MCT in all patients without any complications. Two patients, who treated with MCT for the first treatment using 5 mm bullet shaped probe. They are survived for seventeen months with no symptom.CONCLUSION : MCT is clinically feasible for the recanalization of the malignant biliary obstruction, in addition to the local control of the tumor growth.