BCG-induced granulomatous prostatitis--an incidental finding on FDG PET-CT.

We present a case of granulomatous prostatitis that presented in a rare way as an incidentally discovered focus of increased FDG activity within the prostate on PET-CT in a patient who had previously undergone intravesical bacille Calmette-Guérin treatment for bladder cancer. FDG uptake is commonly discovered in organs distant from the region of primary interest on PET-CT and so it is important to be aware of the potential causes of this.