PET/CT with 18F-fluorocholine (a positron-labeled choline analog) is currently used as a diagnostic tool for restaging prostate cancer patients with increasing prostate-specific antigen. We present an unusual case of a false-positive result using 18F-fluorocholine PET/CT because of incidental and ectopic parathyroid hyperplasia.
From the *Nuclear Medicine and Radiology Units, Department of Medical Imaging, Hôpitaux Neuchatelois, La Chaux-de-Fonds; †Department of Hemodialysis, Hôpital de la Providence, Neuchâtel; and ‡Thoracic Surgery Unit, Department of Surgery, Hôpitaux Universitaires de Genève, Genève, Switzerland.
Received for publication January 10, 2013; revision accepted July 13, 2013.
Conflicts of interest and sources of funding: none declared.
Reprints: Thomas Cazaentre, MD, Nuclear Medicine and Radiology Units, Department of Medical Imaging, Hôpitaux Neuchatelois, 20 Rue Chasseral, 2300 La Chaux-de-Fonds, Switzerland. E-mail: firstname.lastname@example.org.