Abstract #1874

Comparison of calculated DWI and single-shot EPI DWI for prostate cancer detection at 3T

TSUTOMU TAMADA¹, YUICHI KOJIMA¹, AYUMU KIDO¹, YU UEDA², MITSURU TAKEUCHI³, KENTARO ONO¹, MIDORI YAMAMOTO¹, AKIRA YAMAMOTO¹, and YOSHIHIKO FUKUKURA¹

¹Radiology, Kawasaki Medical School, Kurashiki-city, Japan, ²Philips Japan, Tokyo, Japan, ³Radiology, Radiolonet Tokai, Nagoya, Japan

Synopsis

Keywords: Prostate, ProstateWe compared diagnostic performance of clinically significant PC (csPC) between calculated DWI (calDWI) which enable to synthesize DW images with any TR and TE and native acquired single-shot EPI DWI (nDWI). The calDWI was generated with TR of 1000 and TE of 0 ms. Three radiologists independently assessed eight regions of each prostate by PI-RADS v 2.1 DWI score. For diagnostic performance of csPC, AUC was comparable between calDWI and nDWI in two readers. The diagnostic specificity was significantly higher in calDWI than in nDWI in two readers. Compared with nDWI, calDWI had similar or higher diagnostic performance in csPC.

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