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Image analysis of vestibular schwannoma with clustering techniques

Research Project

Project/Area Number 20K09371
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56010:Neurosurgery-related
Research InstitutionEhime University

Principal Investigator

Kunieda Takeharu  愛媛大学, 医学系研究科, 教授 (60609931)

Co-Investigator(Kenkyū-buntansha) 山田 啓之  愛媛大学, 医学系研究科, 准教授 (00403808)
大石 直也  京都大学, 医学研究科, 特定准教授 (40526878)
中村 壮志  愛媛大学, 医学部附属病院, 助教(病院教員) (50794468)
井上 明宏  愛媛大学, 医学部附属病院, 講師 (20593403)
末廣 諭  愛媛大学, 医学系研究科, 助教 (50775012)
Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
KeywordsMRI画像解析 / 前庭神経鞘腫 / セグメンテーション / 深層学習 / 予後予測 / 聴神経鞘腫 / 腫瘍増大因子 / 先制医療 / MRI / クラスタリング / 機械学習 / 分子メカニズム
Outline of Research at the Start

臨床経過とMRI画像の関連が判明している聴神経腫瘍症例群において、変化を反映する信頼性の高い画像パラメーターの確立を図る。外科治療で得られた病理標本において分子メカニズムの解析をすることで腫瘍増大・症状出現に関するバイオマーカーを探索する。様々なMRI画像が持つ特徴量を、膨大なデータの可視化に優れた自己組織化マップの方法でクラスタリング画像を作成して、増大変化の弁別・予測を機械学習の手法で試みる。得られた知見に基づき、新規症例に画像解析を行って、前方視的に確立した解析手法の妥当性を検証する。

Outline of Final Research Achievements

Since natural history of vestibular schwannomas is not clarified, it is essential to establish quantitative image diagnosis objectively, for purpose of predicting their prognosis. We have developed a new method for automatic tumor segmentation using a group of cases, in whom tumor progression and clinical course has been followed, as training information. Automatic recognition was estimated as unstable, depending on tumor volume and internal characteristics. In addition to the solid tumor group, we successively repeated deep learning to improve accuracy by adding tumor groups with large tumor volumes and/or with cystic components. Automatic analysis of cases not used for learning process resulted in relatively high accuracy of tumor recognition. As a result, the developed automatic tumor recognition algorithm made it possible to evaluate tumor growth without arbitrariness, automated appropriate image analysis in the outpatient setting, and used the knowledge to predict prognosis.

Academic Significance and Societal Importance of the Research Achievements

前庭神経鞘腫に関する観察研究の多くは画像上での腫瘍最大径を基準とし、腫瘍増大の定義も一定ではなく、自然歴は明らかになっていない。恣意性がなく、自動化が可能な腫瘍認識法を開発した本研究の成果は、客観的な腫瘍体積増大指標だけでなく、多彩な経過をたどる腫瘍の正確な病態と自然歴といった学術的知見につながる。さらには、経過中に治療介入を行った症例についての解析から、治療介入の正当性だけでなく、脳神経系の機能的変容面からの腫瘍進展・進行に関する新たなバイオマーカーの探索が可能となる。最終的には、臨床面で不必要な検査を減らし、最適な治療介入時期を予期することで、医療の効率を最大限にできる先制医療を実現する。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (11 results)

All 2024 2023 2020

All Journal Article (9 results) (of which Peer Reviewed: 9 results,  Open Access: 4 results) Presentation (2 results)

  • [Journal Article] 特集 ITを駆使した術前シミュレーション-トラブル回避と時短手術習得 Ⅱ これからの新しい術前シミュレーション Zero-echo-time sequenceによるMRI bone like imagingを用いた新しい術前シミュレーション画像2024

    • Author(s)
      井上 明宏、白石 泰宏、古用 太一、國枝 武治
    • Journal Title

      Neurological Surgery 脳神経外科

      Volume: 52 Issue: 2 Pages: 309-318

    • DOI

      10.11477/mf.1436204915

    • ISSN
      0301-2603, 1882-1251
    • Year and Date
      2024-03-10
    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Berberine as a potential enhancer for 5-ALA-mediated fluorescence in glioblastoma: increasing detectability of infiltrating glioma stem cells to optimize 5-ALA-guided surgery2024

    • Author(s)
      Yoshihiro Ohtsuka, Satoshi Suehiro, Akihiro Inoue, Takeharu Kunieda
    • Journal Title

      Journal of neurosurgery

      Volume: Publish Before Print Issue: 3 Pages: 1-11

    • DOI

      10.3171/2023.12.jns231506

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clinical utility of positron emission tomography leading to rapid and accurate diagnosis of intravascular large B-cell lymphoma presenting with the central nervous system symptoms alone: A case report and review of the literature2023

    • Author(s)
      Inagaki Ryo、Inoue Akihiro、Miyazaki Yukihiro、Kanehisa Kota、Kunihiro Joji、Kondo Takuya、Katayama Eiji、Taniwaki Mashio、Shigekawa Seiji、Watanabe Hideaki、Kitazawa Riko、Kunieda Takeharu
    • Journal Title

      Surgical Neurology International

      Volume: 14 Pages: 89-89

    • DOI

      10.25259/sni_1175_2022

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] What is the Best Preoperative Quantitative Indicator to Differentiate Primary Central Nervous System Lymphoma from Glioblastoma?2023

    • Author(s)
      Inoue Akihiro、Matsumoto Shirabe、Ohnishi Takanori、Miyazaki Yukihiro、Kinnami Shingo、Kanno Kazuhisa、Honda Takatsugu、Kurata Mie、Taniwaki Mashio、Kusakabe Kosuke、Suehiro Satoshi、Yamashita Daisuke、Shigekawa Seiji、Watanabe Hideaki、Kitazawa Riko、Kunieda Takeharu
    • Journal Title

      World Neurosurgery

      Volume: 172 Pages: e517-e523

    • DOI

      10.1016/j.wneu.2023.01.065

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Role of amide proton transfer imaging in maximizing tumor resection in malignant glioma: a possibility to take the place of 11C-methionine positron emission tomography2023

    • Author(s)
      Inoue Akihiro、Watanabe Hideaki、Kusakabe Kosuke、Nishikawa Masahiro、Shiraishi Yasuhiro、Taniwaki Mashio、Takimoto Yoshihiro、Harada Mizusa、Furumochi Taichi、Shigekawa Seiji、Kitazawa Riko、Kido Teruhito、Ohnishi Takanori、Kunieda Takeharu
    • Journal Title

      Neurosurgical Review

      Volume: 46 Issue: 1 Pages: 294-294

    • DOI

      10.1007/s10143-023-02202-1

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Clinical utility of new bone imaging using zero-echo-time sequence in neurosurgical procedures: Can zero-echo-time be used in clinical practice in neurosurgery?2023

    • Author(s)
      Inoue Akihiro、Watanabe Hideaki、Suehiro Satoshi、Nishida Naoya、Shiraishi Yasuhiro、Furumochi Taichi、Takimoto Yoshihiro、Ohnishi Takanori、Shigekawa Seiji、Kunieda Takeharu
    • Journal Title

      The Neuroradiology Journal

      Volume: 36 Issue: 3 Pages: 289-296

    • DOI

      10.1177/19714009221114447

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Clinical utility of spoiled-gradient echo 3D-T1 sequence in deciding appropriate treatment strategy for ACTH-producing pituitary adenoma; a case report and review of the literature2023

    • Author(s)
      Kunihiro Joji、Inoue Akihiro、Miyake Teruki、Nakaguchi Hironobu、Kitazawa Riko、Kunieda Takeharu
    • Journal Title

      International Journal of Surgery Case Reports

      Volume: 106 Pages: 108242-108242

    • DOI

      10.1016/j.ijscr.2023.108242

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Voxel‐based clustered imaging by multiparameter diffusion tensor images for predicting the grade and proliferative activity of meningioma2023

    • Author(s)
      Takahashi Yuki、Oishi Naoya、Yamao Yukihiro、Kunieda Takeharu、Kikuchi Takayuki、Fukuyama Hidenao、Miyamoto Susumu、Arakawa Yoshiki
    • Journal Title

      Brain and Behavior

      Volume: 13 Issue: 10

    • DOI

      10.1002/brb3.3201

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clinical utility of new three-dimensional model using a zero-echo-time sequence in endoscopic endonasal transsphenoidal surgery2020

    • Author(s)
      Inoue Akihiro、Kohno Shohei、Nishida Naoya、Suehiro Satoshi、Matsumoto Shirabe、Nishikawa Masahiro、Ozaki Saya、Nakamura Yawara、Shigekawa Seiji、Watanabe Hideaki、Senba Hidenori、Matsuura Bunzo、Ohnishi Takanori、Kunieda Takeharu
    • Journal Title

      Clinical Neurology and Neurosurgery

      Volume: 190 Pages: 105743-105743

    • DOI

      10.1016/j.clineuro.2020.105743

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Presentation] 深層学習を用いたMRIにおける前庭神経鞘腫の自動セグメンテーション2024

    • Author(s)
      中村和、大石直也、井上明宏、中村壮志、末廣諭、山田啓之、國枝武治
    • Organizer
      第47回日本脳神経CI学会総会 シンポジウム3「AIによる中枢神経画像診断」、長崎
    • Related Report
      2023 Annual Research Report
  • [Presentation] 深層学習を用いた自動セグメンテーションによる前庭神経鞘腫の体積評価2024

    • Author(s)
      中村和、大石直也、井上明宏、中村壮志、末廣諭、山田啓之、國枝武治
    • Organizer
      第83回日本脳神経外科学会学術総会、横浜
    • Related Report
      2023 Annual Research Report

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Published: 2020-04-28   Modified: 2025-01-30  

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