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. Author manuscript; available in PMC: 2019 Feb 11.
Published in final edited form as: Clin Radiol. 2015 Jul 29;70(11):1165–1176. doi: 10.1016/j.crad.2015.06.093

Figure 4.

Figure 4

False-negative DCE, correctly evaluated as likely tumour using PI-RADS v2 criteria. 60 year-old patient with a PSA of 4.48 ng/ml. a: T2W1 imaging shows a focal area of intermediate/low signal the right mid/apex PZ (arrows), with marked matching restricted diffusion (b, c). d: The region shows diffuse, but no focal or early enhancement on DCE-MRI (arrow), with a Type I curve. PI-RADS v1 scores: 3 for T2, 5 for DWI, 1 for DCE, summed score=9. PI-RADS v2 overall score=5 (DWI is the dominant PZ sequence) despite being “negative” with DCE. Targeted biopsy demonstrated a Gleason 3+3 tumour in 10% of the cores.