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Unusual Uptake of 18FDG by a Hepatic Adenoma

Fosse, Pacôme MD*†; Girault, Sylvie MD*; Hoareau,, Julien*; Testard, Aude MD*; Couturier, Olivier MD, PhD; Morel, Olivier MD*

doi: 10.1097/RLU.0b013e318279b95a
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Hepatic adenoma is a rare, benign tumor (with potential for malignant degeneration) and its diagnosis is difficult because its presentation is highly variable in medical imaging, particularly with MRI. In such cases, the use of a hepatic biopsy is usually recommended. 18FDG-PET/CT provides a very significant predictive value for malignant hepatic lesions. In addition, the occurrence of an 18FDG-avid benign tumor is a rare event. We hereby present the case of a patient with advanced breast cancer for whom an 18FDG-PET/CT showed a focal hepatic uptake. A subsequent biopsy provided a diagnosis of a hepatic adenoma.

From the *Department of Nuclear Medicine, ICO Paul Papin, Angers Cedex 9; and †Department of Nuclear Medicine, CHU Angers, Angers Cedex 9, France.

Received for publication April 17, 2012; and revision accepted September 10, 2012.

Conflicts of interest and sources of funding: none declared.

Reprints: Pacôme Fosse, MD, Service de Médecine Nucléaire, CHU Angers, 4, rue Larrey, 49933 Angers Cedex 9, France. E-mail:

© 2013 Lippincott Williams & Wilkins, Inc.