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18F-Choline and 18F-FDG PET/CT in a Patient With Diffuse Large B-Cell Lymphoma and Recurrent Prostate Cancer

De Leiris, Nicolas, MSc*†; Riou, Laurent, PhD; Leenhardt, Julien, PharmD*†; Vuillez, Jean-Philippe, MD, PhD; Djaileb, Loïc, MD*†

doi: 10.1097/RLU.0000000000002296
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We report herein the case of an 80-year-old man who was referred for a biochemical recurrence of a high-risk prostate cancer. In addition to prostate cancer recurrence, 18F-choline allowed partial initial staging of an incidental diffuse large B-cell lymphoma which was further confirmed and staged using 18F-FDG and a biopsy. Two types of metabolic behavior were therefore identified using 18F-choline and 18F-FDG which corresponded to 2 different uptake patterns, that is, those of the prostate and lymphoma tumoral cell contingents.

From the *Nuclear Medicine Department, CHU; and

INSERM, Radiopharmaceutiques Biocliniques, Grenoble, France.

Received for publication May 16, 2018; revision accepted August 23, 2018.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Loïc Djaileb, MD, Clinique Universitaire de Médecine Nucléaire, Centre Hospitalier Universitaire Grenoble Alpes, CS 10217, 38043 Grenoble CEDEX 9, France. E-mail: ldjaileb@chu-grenoble.fr.

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