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Author:

Zhou, Zhuhuang (Zhou, Zhuhuang.) | Wu, Shuicai (Wu, Shuicai.) (Scholars:吴水才) | Wang, Chiao-Yin (Wang, Chiao-Yin.) | Ma, Hsiang-Yang (Ma, Hsiang-Yang.) | Lin, Chung-Chih (Lin, Chung-Chih.) | Tsui, Po-Hsiang (Tsui, Po-Hsiang.)

Indexed by:

Scopus SCIE PubMed

Abstract:

Gas bubbles induced during the radiofrequency ablation (RFA) of tissues can affect the detection of ablation zones (necrosis zone or thermal lesion) during ultrasound elastography. To resolve this problem, our previous study proposed ultrasound Nakagami imaging for detecting thermal-induced bubble formation to evaluate ablation zones. To prepare for future applications, this study (i) created a novel algorithmic scheme based on the frequency and temporal compounding of Nakagami imaging for enhanced ablation zone visualization, (ii) integrated the proposed algorithm into a clinical scanner to develop a real-time Nakagami imaging system for monitoring RFA, and (iii) investigated the applicability of Nakagami imaging to various types of tissues. The performance of the real-time Nakagami imaging system in visualizing RFA-induced ablation zones was validated by measuring porcine liver (n = 18) and muscle tissues (n = 6). The experimental results showed that the proposed algorithm can operate on a standard clinical ultrasound scanner to monitor RFA in real time. The Nakagami imaging system effectively monitors RFA-induced ablation zones in liver tissues. However, because tissue properties differ, the system cannot visualize ablation zones in muscle fibers. In the future, real-time Nakagami imaging should be focused on the RFA of the liver and is suggested as an alternative monitoring tool when advanced elastography is unavailable or substantial bubbles exist in the ablation zone.

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Author Community:

  • [ 1 ] [Zhou, Zhuhuang]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing, Peoples R China
  • [ 2 ] [Wu, Shuicai]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing, Peoples R China
  • [ 3 ] [Wang, Chiao-Yin]Chang Gung Univ, Coll Med, Dept Med Imaging & Radiol Sci, Taoyuan, Taiwan
  • [ 4 ] [Ma, Hsiang-Yang]Chang Gung Univ, Coll Med, Dept Med Imaging & Radiol Sci, Taoyuan, Taiwan
  • [ 5 ] [Tsui, Po-Hsiang]Chang Gung Univ, Coll Med, Dept Med Imaging & Radiol Sci, Taoyuan, Taiwan
  • [ 6 ] [Wang, Chiao-Yin]Chang Gung Univ, Coll Med, Grad Inst Clin Med Sci, Taoyuan, Taiwan
  • [ 7 ] [Ma, Hsiang-Yang]Chang Gung Univ, Coll Med, Grad Inst Clin Med Sci, Taoyuan, Taiwan
  • [ 8 ] [Lin, Chung-Chih]Chang Gung Univ, Dept Comp Sci & Informat Engn, Taoyuan, Taiwan
  • [ 9 ] [Tsui, Po-Hsiang]Chang Gung Univ, Inst Radiol Res, Med Imaging Res Ctr, Taoyuan, Taiwan
  • [ 10 ] [Tsui, Po-Hsiang]Chang Gung Mem Hosp Linkou, Taoyuan, Taiwan

Reprint Author's Address:

  • 吴水才

    [Wu, Shuicai]Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing, Peoples R China

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Source :

PLOS ONE

ISSN: 1932-6203

Year: 2015

Issue: 2

Volume: 10

3 . 7 0 0

JCR@2022

ESI Discipline: Multidisciplinary;

ESI HC Threshold:464

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 50

SCOPUS Cited Count: 62

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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