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英文誌(2004-)

Journal of Medical Ultrasonics

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1990 - Vol.17

Vol.17 No.01

Original Article(原著)

(0033 - 0043)

超音波画像解析による乳腺腫瘍の形態的特徴の抽出

Characterization of Breast Tumor Morphology by Ultrasonic Image Analysis

久保田 光博1, 長沢 亨2, 山下 安雄2, 小林 久雄4, 南里 和秀4, 石川 順子4, 布施川 久恵3, 田島 知郎1, 三富 利夫1

Mitsuhiro KUBOTA1, Tohru NAGASAWA2, Yasuo YAMASHITA2, Hisao KOBAYASHI4, Kazuhide NANRI4, Junko ISHIKAWA4, Hisae FUSEGAWA3, Tomoo TAJIMA1, Toshio MITOMI1

1東海大学医学部第二外科, 2東海大学医学部ME学, 3東海大学医学部臨床病理学, 4東海大学病院超音波検査室

1Departments of Surgery 2, Tokai University School of Medicine, 2BioMedical Engineering, Tokai University School of Medicine, 3Clinical Pathology, Tokai University School of Medicine, 4Ultrasound Laboratory, Tokai University Hospital

キーワード : Ultrasonic image analysis, Breast tumor morphology, Deformity index, Marginal area index, Entropy

Qualitative morphological categories ("shape" and "border") of diagnostic criteria for breast tumors can be transformed to measurable parameters, such as Deformity Index (DI), Marginal Area Index (MAI) and Entropy. These parameters were measured on model figures (circle, ellipse and star) and typical ultrasoic patterns of breast tumor including cysts, fibroadenomas and cancers. Among these three parameters DI and Entropy are thought to be simple and useful in expressing irregularities of figures or tumor shapes. Some problems to be overcome in establishing quantitative methods in ultrasonic diagnosis of breast tumors are discussed with a review of the literature.