シンチカメラによる甲状腺ヨード摂取率

概要

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The use of scinticamera for thyroid iodine uptake was evaluated by a method which allows simultaneously imaging of thyroid scintigram. It was found that thyroid uptake measurement made with scinticamera was reliable and it was not necessary to use scintillation counter for kinetic study. ^<123>Iodine capsule as well as ^<131>Iodine were useful. Thyroid uptake measured by with scinticamera methods, (1) and (2), here under were very similar to that of with scintillation counter. (1) : Thyroid uptake with a parallel collimator was measured under following conditions : neck to collimator distance was 10 cm ; radio-isotope counting included the counts of 9 cm×9 cm on the neck and subtraction of natural counts as background ; plane phantom was necessary as a standard source. (2) : When pinhole collimator was used, the measuring distance was 3 cm, the counting was in the whole area of the imaging screen without natural counts and the ORINS phantom was used as a standard source.
社団法人日本放射線技術学会の論文
1983-09-01