経皮的ラジオ波焼灼療法（RFA）による組織像の経時的変化

概要

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We performed RFA for 718 nodules in 314 HCC patients between February 1999 and October 2000. Among them, 30 nodules in 25 patients who underwent fine needle biopsies after RFA were subjects in this study. Fine needle biopsies for targeting tumor were performed mainly from one week to one month after RFA. We investigated the specimens with hematoxylin-eosine (H-E) dyeing. Before RFA, all nodules were proven HCC by biopsies. At the early stage within one week after RFA, around 30% of the nodules didnt show necrosis from specimens with H-E dyeing and had discrepancy between CT findings and them. However, one month or more later, they would be considered to progress toward the necrosis. All nodules have had no local recurrence from any images in more than one year.
特定非営利活動法人 Microwave Surgery研究会の論文