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Cerebellar Hypermetabolism in a Case of Paraneoplastic Cerebellar Syndrome With the Primary Lymphoepithelial Carcinoma in Tonsil

Wang, Jingnan MD*,†; Wang, Wenze MD; Zhao, Yang MD§; Cui, Ruixue MD*,†

doi: 10.1097/RLU.0000000000002657
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A 70-year-old man with cerebellar syndromes was clinically diagnosed as paraneoplastic cerebellar degeneration and underwent whole-body 18F-FDG PET/CT imaging for screening primary tumor. Intensely elevated tracer uptake in both cerebellar hemispheres was revealed, whereas no abnormality was found in MRI. Increased tracer uptake and swelling of the left tonsil and a cervical lymph node were found at the same time, suggesting neoplasm in tonsil with lymph node metastasis. Pathological examination demonstrated lymphoepithelial carcinoma of the left tonsil.

From the *Department of Nuclear Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital

Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine

Departments of Pathology

§E.N.T., Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, China.

Received for publication March 19, 2019; revision accepted April 26, 2019.

Conflicts of interest and sources of funding: Supported by the National Natural Science Foundation of China (81771874). None declared to all authors.

Correspondence to: Ruixue Cui, MD, Department of Nuclear Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Wangfujing, Dongcheng District, Beijing 100730, People's Republic of China. E-mail: mmdhmm@126.com.

Online date: June 3, 2019

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