Correlative Imaging With 18F-FDG PET/CT and MRI in Paraneoplastic Limbic EncephalitisMaffione, Anna Margherita MD*; Chondrogiannis, Sotirios MD*; Ferretti, Alice*; Al-Nahhas, Adil FRCP†; Rubello, Domenico MD*Clinical Nuclear Medicine: June 2013 - Volume 38 - Issue 6 - p 463–464 doi: 10.1097/RLU.0b013e318286bda5 Interesting Images Abstract Author Information Limbic encephalitis is one of the most common paraneoplastic neurological syndromes, which is mostly associated with small cell lung cancer, testicular tumors, and breast cancer. 18F-FDG PET/CT can have an important role both in the identification of limbic encephalitis itself and in the detection of the unknown malignancy that might have caused it. We report a case of a 57-year-old female patient with paraneoplastic limbic encephalitis, confirmed both by MRI and 18F-FDG PET/CT, and the concurrent identification of an unknown lung malignancy by whole-body PET/CT. From the *Department of Nuclear Medicine, PET/CT Centre, Santa Maria della Misericordia Hospital Rovigo, Rovigo, Italy; and †Department of Nuclear Medicine, Hammersmith Hospital, London, UK. Received for publication September 17, 2012; revision accepted December 29, 2012. Reprints: Anna Margherita Maffione, MD, Santa Maria della Misericordia Hospital Rovigo, Via Tre Martiri 140, 45100 Rovigo, Italy. E-mail: firstname.lastname@example.org. Copyright © 2013 Wolters Kluwer Health, Inc. All rights reserved.