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Recurrence of Extramedullary Plasmacytomas Involving Lymph Nodes and Pancreas Revealed by 68Ga-DOTATATE and 18F-FDG PET/CT

Pan, Qingqing, MD*†; Luo, Yaping, MD*†; Li, Jian, MD; Zhang, Shu, MD*†; Li, Fang, MD*†

doi: 10.1097/RLU.0000000000002269
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A 40-year-old man with history of extramedullary plasmacytoma in nasal cavity presented with right submandibular mass for 3 months. 18F-FDG PET/CT demonstrated mild radioactivity in the right submandibular mass, pancreatic mass, and lymph nodes in the abdomen and left hilum of the lung. To differentiate from pancreatic neuroendocrine tumor, 68Ga-DOTATATE PET/CT was performed. The above lesions were TATE avid, and additional lesions with intense radioactivity were also detected in the right internal mammary node and intrapericardial node. Finally, biopsy of the right submandibular mass confirmed recurrence of extramedullary plasmacytoma.

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; and

Department of Hematology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People’s Republic of China.

Received for publication July 15, 2018; revision accepted July 21, 2018.

Conflicts of interest and sources of funding: This work is supported by the National Natural Science Foundation of China (81701741). None declared to all authors.

Correspondence to: Yaping Luo, MD, 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 Wangfujing, Dongcheng District, Beijing 100730, People’s Republic of China. E-mail: luoyaping@live.com.

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