Unusual F-18 choline uptake in penile metastasis from prostate cancer
Functional imaging of prostate carcinoma is important especially for restaging of the disease in the case of biochemical relapse. The powerful imaging modality F-18 choline PET/CT (FCH PET/CT) improves assessment of clinically silent sites of recurrence. Despite rich vascularization and vascular communication between the penis and the prostate, metastatic involvement of the penis is relatively infrequent. We present a prostate cancer patient with unusual FCH uptake in a penile metastasis from prostate cancer. Metastasis from prostate adenocarcinoma to the bulbus and corpus of penis was identified with FCH during follow-up, 3 years after the initial diagnosis. © 2012 by Lippincott Williams & Wilkins.
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