MRI用皮膚マーカについての検討

  • 高津 安男
    大阪赤十字病院放射線診断科部 金沢大学大学院医薬保健学総合研究科保健学専攻
  • 梅崎 好永
    金沢大学大学院医薬保健学総合研究科保健学専攻 遠賀中間医師会病院放射線科
  • 宮地 利明
    金沢大学大学院医薬保健学総合研究科保健学専攻
  • 山村 憲一郎
    金沢大学大学院医薬保健学総合研究科保健学専攻 大阪医科大学附属病院中央放射線部

書誌事項

タイトル別名
  • Study of Skin Markers for Magnetic Resonance Imaging Examinations
  • リンショウ ギジュツ MRIヨウ ヒフ マーカ ニ ツイテ ノ ケントウ

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抄録

In magnetic resonance imaging (MRI), skin markers are used as a landmark in order to make plans for examinations. However, there isn’t a lot of research about the material and shape of skin markers. The skin marker’s essential elements are safety, good cost performance, high signal intensity for T1 weighted image (T1WI) and T2 weighted image (T2WI), and durable. In order to get a high signal-to-noise ratio (SNR) of T1WI and T2WI, baby oil, salad oil and olive oil were chosen, because these materials were easy to obtain and safe for the skin. The SNR of baby oil was the best. Baby oil was injected into the infusion tube, and the tube was solvent welded and cut by a heat sealer. In order to make ring shaped skin markers, both ends of the tube were stuck with adhesive tape. Three different diameters of markers were made (3, 5, 10 cmφ). Ring shaped skin markers were put on to surround the examination area, therefore, the edge of the examination area could be seen at every cross section. Using baby oil in the ring shaped infusion tube is simple, easy, and a highly useful skin marker.

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