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Fig. 3 | Cancer Imaging

Fig. 3

From: How we read FCH-PET/CT for prostate cancer

Fig. 3

Restaging FCH-PET/CT in a 72 y.o. patient with biochemical relapse following radical prostatectomy. Initially, PCa Gleason sum was 9 and left seminal vesicle was involved. PSA at time of examination was 1.6 mg/L. On whole-body MIP (a) and transaxial PET/CT fused slice (b), a focus of uptake was not clearly distinguishable from the intense urinary activity in the bladder (red arrow). However, corresponding images from the dynamic PET/CT (c, d) clearly showed the early appearance of a focus of moderate FCH uptake in right prostatic bed, before apparition of urinary activity and consistent with a local relapse (green arrows). There was no evidence of metastasis and the patient was treated with salvage radiotherapy

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