Development of the low dose system to assist a diagnosis of micro primary lung cancers by using CT images and plane chest radiography

2008 Fiscal Year Final Research Report

• Project/Area Number: 18590491
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Medical sociology
• Research Institution: Osaka University
• Principal Investigator: OGATA Yuji Osaka University, 大学院・医学系研究科, 助教 (60281127)
• Co-Investigator(Kenkyū-buntansha): MATSUMOTO Mitsuhiro 大阪大学, 大学院・医学系研究科, 准教授 (10362691) ; JOHKOH Takeshi 大阪大学, 大学院・医学系研究科, 教授 (20263270) ; TOMIYAMA Noriyuki 大阪大学, 大学院・医学系研究科, 准教授 (50294070)
• Project Period (FY): 2006 – 2008
• Keywords: 医療被曝低減 / 診断支援システム / 微小肺癌 / 投影変換法 / CDSR法

Research Abstract

MDCTで撮影した高精細で等方性を有する3次元ボリュームデータとこれまで培われてきた精密さと利便性を有する胸部単純X像を融合し、さらに投影変換法やCDSR法などの画像処理技術を組み合わせて最大限活用することで、微小な結節状陰影の微細な経時変化を定量的に表示・検出するシステムを構築した。このシステムは微小原発性肺癌の早期診断支援に貢献し、医療被曝低減とコストダウンなど患者の負担を大きく低減できる。

Research Products

• [Journal Article] Clinical evaluation of a newly developed method for avoiding artifacts caused by dental fillings on X-ray CT (2008)
  • Author(s): Y Nakae, K Sakamoto, T Minamoto, T Kamakura, Y Ogata, M Matsumoto, T Johkoh
  • Journal Title: Radiol Phys Technol 1(1) Pages: 115-122
  • Peer Reviewed
• [Journal Article] Volume Histogram Analysis for Lung Thin-Section Computed Tomography: Differentiation Between Usual Interstitial Pneumonia and Nonspecific Interstitial Pneumonia (2007)
  • Author(s): Sumikawa H, Johkoh T, Yamamoto S, Oota M, Ueguchi T, Ogata Y, Matsumoto M, Fujita Y, Natsag J, Inoue A, Mihara N, Honda O, Tomiyama N, Nakamura H
  • Journal Title: J Comput Assist Tomogr 31(6) Pages: 936-42
  • Peer Reviewed
• [Journal Article] Improvement of spatial resolution in the longitudinal direction for isotropic imaging in helical CT (2007)
  • Author(s): Tsukagoshi S, Ota T, Fujii M, Kazama M, Okumura M, Johkoh T
  • Journal Title: Physics in Medicine and Biology 52(3) Pages: 791-801
  • Peer Reviewed
• [Journal Article] Microbubbles as MR Susceptibility Contrast Agent at 1.5 Tesla (2006)
  • Author(s): Ueguchi T, Tanaka Y, Hamada S, Kawamoto R, Ogata Y, Matsumoto M, Nakamura H, Johkoh T
  • Journal Title: Magn Reson Med Sci 5(3) Pages: 147-150
  • Peer Reviewed
• [Journal Article] Evaluation of Usefulness of Color Digital Summation Radiography for Solitary Pulmonary Nodules on Chest Radiographs (2006)
  • Author(s): Ogata Y, Naito H, Tomiyama N, Hamada S, Tsubamoto M, Inoue A, Murai S, Sumikawa H, Ueguchi T, Matsumoto M, Tamura S, Nishinosono H, Nakamura H, Johkoh T
  • Journal Title: Radiat Med 24(5) Pages: 378-384
  • Peer Reviewed
• [Journal Article] Evaluation of Usefulness of Color Digital Summation Radiography in Temporally Sequential Digital Radiographs-A Phantom Study- (2006)
  • Author(s): Ogata Y, Naito H, Tomiyama N, Hamada S, Kozuka T, Koyama M, Tsubamoto M, Murai S, Ueguchi T, Matsumoto M, Tamura S, Nakamura H, Johkoh T
  • Journal Title: Radiat Med 24(3) Pages: 182-186
  • Peer Reviewed
• [Presentation] How do you think Three-dimensional angiography with flat panel detector? (2008)
  • Author(s): Ogata Y., Yamaguchi K., Sakurai K., Sasagaki M., Matsumoto M
  • Organizer: The Radiological Society of North America 94th Scientific Assembly and Annual Meeting(RSNA'08)
  • Place of Presentation: Chicago, USA
  • Year and Date: 20081130-1205
• [Presentation] How do you think colored images on radiology? (2007)
  • Author(s): Ogata Y., Naito H., Sasagaki M., Ueguchi T., Matsumoto M., Nakamura H., Johkoh T
  • Organizer: -Colored images are really useful for radiology-The Radiological Society of North America 93th Scientific Assembly and Annual Meeting(RSNA' 07)
  • Place of Presentation: Chicago, USA
  • Year and Date: 20071125-30