Title ^<18>F-FDG-PET/CTにおける 画 質 評 価 法 の 研 究 Author(s) 加 藤, 誠 二 Citation Issue Date 2014-03-25 URL http://hdl.handle.net/10748/6775 DOI Rights Type Thesis or Dissertation Textversion author http://www.tmu.ac.jp/ 首 都 大 学 東 京 機 関 リポジトリ

L w 7 CZ Z CA 4.0 -W 10.0f- 2.0-1 Z 5.0 0.0I---------------------------------------------------------------------t,r! t I I i 0.0 1.0 2.0 3.0 4.0 5.00.0 1.0 2.0 3.0 4.0 5.0 Activity Concentration (MBq/kg)Activity Concentration (MBq/kg) 0.6 ------ M E V y D O Q A, c w U W Z 0.5 0.4-0.3 )//7( r = 0.99 02p = 0.004 0.1- I 0 --------- 0.0 1.0 2.0 3.0 4.0 5.0 Activity Concentration (MBq/kg) Fig. 4.4 Relationships between activity concentration (2.1-4.7 MBq/kg) and physical indexes (SNRliVer, NECpatient and NECdensity)- 34

W Chest - Upper AbdomenChest - Lower Abdomen 1.0 1-------------------------------------++-------------~ 1.0 ----------------------------------------------------- ^+i ii^,,,++,ehr'r~,r 8+EI111. Itrrill-,:... +a-,:- A.-+gi V+'G Wr=0.95wr=0.95 Zp<0.001 ~i:' 0!~..ice zi 1p<0.001 0.1 -I,-------------------------------------------------------0.1,--------------------------------------------------------, 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 BSABH&Inj D (m&mbq)bwr&inj D (kg/m&mbq) Chest - Lower AbdoenChest 1.01.0 ---------------------------------------- 0.. --~ M^ftr.Mt. IL.- - Lower Abdomen R`4 4,1' ' `640,. F=^A.A_ C 42.- ^~ Zp<0.001z r=0.95r=0.95 Ip<0.001 0.1 ------------------------------------------0.1,---------------------------------------------------------,, 0.0 0.2 0.40.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 BSABH&Inj D (m&mbq)volumebh&inj D (cm2&mbq) Neck - Lower AbdomenNeck - Lower Abdomen 1.0 ----------------------------------------1.0 ----------------------------oo 0CD V;X;r~cvC~ji~!,~~ G'G40 v Wr=0.95Wr=0.95 zp<0,001zp<0.001 0.140.1 -, 0.0 0,2 0.4 0.6 0.8 1.00.0 0.2 0.4 0.6 0.8 1.0 BWR&Inj D (kg/m&mbq)bim (kg/m2) Fig. 5.7 Relationships between each index and NECdensity 50