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False-Positive Result in 18F-Fluorocholine PET/CT Due to Incidental and Ectopic Parathyroid Hyperplasia

Cazaentre, Thomas, MD*; Clivaz, Florence, MD; Triponez, Frédéric, MD

doi: 10.1097/RLU.0b013e3182a77b62
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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: thomas.cazaentre@h-ne.ch.

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