経皮的マイクロ波肝腫瘍凝固療法の手技の工夫

概要

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The purpose of percutaneous transhepatic low output microwave tissue coagulation therapy (PLMCT) is to locally treat using ultra-sonography under local anesthesia for small liver cancer. Usefulness of PLMCT has been described. This paper introduces special techniques which are useful to make the best use of PLMCT for liver cancer. Precautions necessary in procedure for PLMCT are as follows : 1) First of all, 16G needle aspiration biopsy of the liver tumor must be percutaneously performed under ultrasonographic guidance, and then 18G needle electrode is inserted into the 16G needle as a introducer. When this procedure is carried out, the needle electrode must not be pushed over the end of the introducer, for 18G needle electrode is weak. 2) While coagulating the tumor, the introducer had better be spun. 3) If the needle electrode is hot, cold alcohol had better be sprinkled on the needle electrode. We conclude that PLMCT is less invasive practical procedure for small liver cancer as a local control.
特定非営利活動法人 Microwave Surgery研究会の論文