Comparison of Laser Ablation Using Multidirectional and Forward-Firing Fiber in Human Thyroid Gland: Experimental Study

被引：0
|
作者：
Park, Ho Yong [1 ]
Choi, Hyang Hee [1 ]
Lee, Jung Ju [1 ]
Hwang, Seung Ook [1 ]
Jung, Jin Hyang [1 ]
Sohn, Ik-Bu [2 ]
Lee, Ho [3 ]
Kim, Wan Wook [1 ,4 ]
机构：
[1] Kyungpook Natl Univ, Sch Med, Dept Surg, Daegu, South Korea
[2] Gwangju Inst Sci & Technol GIST, Adv Photon Res Inst APRI, Gwangju, South Korea
[3] Kyungpook Natl Univ, Sch Mech Engn, Daegu, South Korea
[4] Kyungpook Natl Univ, Dept Surg, 807 Hogukno, Daegu 702120, South Korea
来源：
OTOLARYNGOLOGY-HEAD AND NECK SURGERY | 2013年 / 149卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
forward-firing fiber; laser ablation; multidirectional fiber; thyroid gland; NODULES;
D O I：
暂无
中图分类号：
R76 [耳鼻咽喉科学];
学科分类号：
100213 ;
摘要：
The aim of this study is to evaluate the differences between forward-firing and multidirectional lasers and to evaluate the effects of exposure times and power on laser ablation of thyroid tissue. This is an experimental, ex vivo study. The experiments were conducted on 3 thyroid glands using 2 power levels (3 and 5 W) and exposure times (3 and 5 minutes) with forward-firing and multidirectional lasers. The length and width of the demarcated zone were measured to assess the size of thermal effect. NADPH staining was performed to determine tissue viability. Thermal transformation caused by the forward-firing laser produced oval necrotic zones, whereas thermal transformation caused by the multidirectional-firing laser produced clear round necrotic zones, which clearly demarcated in both hematoxylin and eosin staining and NADH staining.
引用
收藏
页码：689 / 691
页数：3
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