Diagnosing pancreatic tumors using contrast-enhanced harmonic endoscopic ultrasonography with Sonazoid

Naoki Yamamoto, Hironari Kato, Sho Mizukawa, Shinichiro Muro, Yutaka Akimoto, Daisuke Uchida, Takeshi Tomoda, Kazuyuki Matsumoto, Shigeru Horiguchi, Koichiro Tsutsumi, Hiroyuki Okada

Research output: Contribution to journalArticle

Abstract

Contrast-enhanced harmonic endoscopic ultrasonography (CH-EUS) with contrast agent enabled us to assess the hemodynamics closely, despite limited data in pancreatic tumors. We have initiated a prospective, single arm, and non-randomized study to clarify the accuracy and safety of CH-EUS with Sonazoid and time-intensity curve (TIC) analysis for diagnosing benign or malignant pancreatic tumors. A total of 200 patients will undergo CH-EUS and TIC analysis. Receiver operating characteristic (ROC) analysis will be used to determine the optimal parameter cutoff values for TIC analysis. This will clarify whether CH-EUS and TIC can further improve the diagnosis of pancreatic tumors over conventional EUS.

Original languageEnglish
Pages (from-to)323-326
Number of pages4
JournalActa medica Okayama
Volume70
Issue number4
Publication statusPublished - 2016

Keywords

  • CH-EUS
  • Pancreatic tumor
  • TIC

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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