Abstract #3573
More accurate estimation in prostate volume achieved by optimized single slab 3D SPACE compared with 2D-TSE: A quantitative study based on the radical prostatectomy specimens.
Souichirou Tateishi 1 , Masato Uchikochi 2 , Shohei Miyazaki 1 , Hitoshi Matsui 1 , Takashi Horinouchi 1 , Yasuhiko Tomita 3 , Kazuo Nishimura 4 , and Katsuyuki Nakanishi 1
1
Radiology, Osaka Medical Center for Cancer
and Cardiovascular Diseases, Osaka, Osaka, Japan,
2
SIEMENS
JAPAN K.K., Tokyo, Japan,
3
Pathology,
Osaka Medical Center for Cancer and Cardiovascular
Diseases, Osaka, Japan,
4
Urology,
Osaka Medical Center for Cancer and Cardiovascular
Diseases, Osaka, Japan
More accurate estimation of prostate volume is important
for therapeutic trials. A recently evolved 3D-TSE T2WI
sequence termed SPACE provides a high spatial resolution
and isotropic volume image compared with the
conventional 2D-TSE sequences. These improvements expect
to provide more accuracy in prostate volume estimation.
We compared 3D-SPACE with 2D-TSE about prostate volumes.
Reference standard of prostate volume was obtained from
pathology report as a gold standard. 3D-SPACE showed a
higher correlation (SPACE; r=0.98, 2D-TSE; r=0.96) and a
less relative error (p<0.01): (SPACE; 0.12}0.13,
2D-TSE; 0.19}0.15) with reference standard of prostate
volume.
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