THREE-DIMENSIONAL DOSIMETRY OF MAMMOGRAPHY USING A BLOCK CUBE BREAST PHANTOM AND RADIOCHROMIC FILM

  • Tatsuhiro Gotanda
    Department of Radiological Technology, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, Okayama, Japan
  • Toshizo Katsuda
    Medical Radiation Technology, Shizuoka College of Medical Care Science, Shizuoka, Japan
  • Hidetoshi Yatake
    Department of Breast Cancer Center, Kaizuka City Hospital, Osaka, Japan
  • Yasuyuki Kawaji
    Department of Radiological Science, Faculty of Health Science, Junshin Gakuen University, Fukuoka, Japan
  • Rumi Gotanda
    Department of Radiological Technology, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, Okayama, Japan
  • Shinya Imai
    Department of Radiological Science, Faculty of Health Science, Morinomiya University of Medical Sciences, Osaka, Japan
  • Takuya Akagawa
    Department of Radiological Technology, Tokushima Red Cross Hospital, Tokushima, Japan
  • Masashi Sasaki
    Department of Radiological Technology, Faculty of Health Sciences, Butsuryo College of Osaka, Osaka, Japan

抄録

<jats:title>Abstract</jats:title> <jats:p>This study developed a phantom with a shape similar to that of the breast and use GAFCHROMIC films that can be placed inside the phantom to measure the detailed breast dose distribution in mammography. GAFCHROMIC EBT3 was placed on the block cube breast phantom and irradiated with a mammography device to measure the absorbed dose distribution inside the phantom in the horizontal and depth directions. The dose distribution in the horizontal plane was the highest in the centre on the chest wall side, and it decreased in a fan shape. Along the depth of the phantom, the doses absorbed across the entire cross-section were 16.15 mGy at the surface and 7.51, 3.25 and 1.68 mGy at depths of 10, 20 and 30 mm, respectively. Compared with the mean glandular dose, the proposed method can measure breast dose distributions in greater detail and is applicable to various breast shapes.</jats:p>

収録刊行物

被引用文献 (1)*注記

もっと見る

参考文献 (15)*注記

もっと見る

関連プロジェクト

もっと見る

詳細情報 詳細情報について

問題の指摘

ページトップへ