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Early diagnosis of pancreatic cancer by endoscopic ultrasound using novel microvascular imaging

Research Project

Project/Area Number 22K18221
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 90130:Medical systems-related
Research InstitutionKindai University

Principal Investigator

Omoto Shunsuke  近畿大学, 医学部, 講師 (60617364)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2023: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2022: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
KeywordsEUS / 超音波内視鏡
Outline of Research at the Start

本研究は超音波内視鏡検査(EUS)でこれまで不可能であった微細低流速血流の表示を可能にし た新技術(DFI: Detective flow imaging)が膵癌の早期診断に寄与できるかを検証する研究である。 本技術によるEUSでの血流評価は初期設定も含めて未だ整備されていないが、本技術で膵癌の早期診断が可能になれば本邦のみならず全世界で膵癌の予後改善に貢献できる可能性がある。今回DFIによる膵腫瘍評価能を検証すべく以下の 3 点を行いたく本研究を立案した。
1. ファントムを用いた DFI の検証
2. 膵腫瘍診断における DFI 初期設定の検証
3. DFI の膵腫瘍鑑別能の検討

Outline of Final Research Achievements

This study aims to investigate the contribution of a new technology in endoscopic ultrasonography (EUS) called Detective flow imaging (DFI) to the early diagnosis of biliary and pancreatic diseases. In 2023, the usefulness of DFI for malignant biliary stenosis was presented at domestic and international conferences, demonstrating the feasibility of blood flow diagnosis in biliary tumors and the possibility of differentiating between benign and malignant lesions.

Furthermore, it was revealed that DFI is useful in distinguishing between Intraductal neoplasm of the bile duct (IPNB) and invasive cholangiocarcinoma. A case report on the usefulness of DFI in biliary tumors was also prepared. Additionally, valuable data has been accumulated regarding the evaluation of pancreatic tumors, gallbladder tumors, and IPMN tumor nodules, and an English-language paper is planned for submission.

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的意義は、超音波内視鏡検査における新技術Detective flow imagingが、胆膵疾患の早期診断に有用であることを示した点にある。DFIによって、胆道腫瘍の血流診断が可能となり、良悪性の鑑別や、Intraductal neoplasm of the bile duct(IPNB)と浸潤性胆管癌の鑑別が可能になった。

社会的意義としては、DFIを用いることで、胆膵疾患のより早期の発見と治療介入が可能となり、患者の予後改善と医療費削減に貢献できる可能性がある。また、膵腫瘍、胆嚢腫瘍、IPMN腫瘍結節の評価にもDFIが有用であることが示唆されており、今後の臨床応用が期待される。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (14 results)

All 2023 2022

All Journal Article (1 results) Presentation (10 results) (of which Int'l Joint Research: 2 results) Funded Workshop (3 results)

  • [Journal Article] Diagnosis of an intraductal papillary neoplasm of the bile duct with fibrovascular stalks using detective flow imaging2023

    • Author(s)
      Omoto Shunsuke、Takenaka Mamoru、Fukunaga Tomohiro、Okamoto Ayana、Komeda Yoriaki、Jeong Seok、Kudo Masatoshi
    • Journal Title

      Endoscopy

      Volume: 55 Issue: S 01 Pages: E1012-E1014

    • DOI

      10.1055/a-2134-9350

    • Related Report
      2023 Annual Research Report
  • [Presentation] 胆管病変に対するDetective flow imaging(DFI)の有用性について2023

    • Author(s)
      大本 俊介
    • Organizer
      日本超音波医学会第96回学術集会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 胆管および胆嚢内病変に対するDetective flow imaging(DFI)の有用性について2023

    • Author(s)
      大本俊介
    • Organizer
      JDDW
    • Related Report
      2023 Annual Research Report
  • [Presentation] The usefulness of detective flow imaging (DFI) for malignant biliary tract lesions2023

    • Author(s)
      Shunsuke Omoto
    • Organizer
      UEGW
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Novel endoscopic ultrasonography imaging technique for evaluating mural nodule in Intraductal Papillary Mucinous Neoplasm2023

    • Author(s)
      Shunsuke Omoto
    • Organizer
      APDW
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 胆管病変に対するDetective flow imaging(DFI)の有用性について2023

    • Author(s)
      大本 俊介
    • Organizer
      第36回日本腹部造影エコー・ドプラ診断研究会
    • Related Report
      2022 Research-status Report
  • [Presentation] IPMNの壁在結節におけるDetective flow imaging(DFI)の有用性について2023

    • Author(s)
      大本 俊介
    • Organizer
      日本消化器内視鏡学会近畿支部例会
    • Related Report
      2022 Research-status Report
  • [Presentation] The usefulness of Detective flow imaging(DFI) for malignant biliary tract lesions2023

    • Author(s)
      Shunsuke Omoto
    • Organizer
      UEGW
    • Related Report
      2022 Research-status Report
  • [Presentation] 胆管病変に対するDetective flow imaging(DFI)の有用性について2023

    • Author(s)
      大本俊介
    • Organizer
      日本超音波医学会第96回学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] 悪性胆道病変に対するDetective flow imaging(DFI)の有用性について2022

    • Author(s)
      大本 俊介
    • Organizer
      第103回日本消化器内視鏡学会総会
    • Related Report
      2022 Research-status Report
  • [Presentation] 肝門部胆道病変に対するDetective flow imaging(DFI)の有用性について2022

    • Author(s)
      大本 俊介
    • Organizer
      第58回胆道学会
    • Related Report
      2022 Research-status Report
  • [Funded Workshop] UEGW2023

    • Related Report
      2023 Annual Research Report
  • [Funded Workshop] APDW2023

    • Related Report
      2023 Annual Research Report
  • [Funded Workshop] UEGW2023

    • Related Report
      2022 Research-status Report

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Published: 2022-04-19   Modified: 2025-01-30  

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