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Thymic Tuberculosis Shown on FDG PET/CT Despite Coexisting Pulmonary Tuberculosis With No Increased FDG Activity

Li, Hongyan MD; Long, Yu MD; Shao, Fuqiang MD; Lan, Xiaoli MD, PhD

doi: 10.1097/RLU.0000000000002697
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Extrapulmonary tuberculosis could involve multiple organs. However, thymic tuberculosis is relatively rare. We report a 21-year-old man who was referred for an 18F-FDG PET/CT imaging to assess his newly detected pulmonary nodule. The images showed the pulmonary nodule had minimal activity uptake. Unexpectedly, the thymus with elevated FDG accumulation was noted. The pulmonary nodule and thymic lesion were confirmed as tuberculosis by pathology.

From the Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology; and Hubei Key Laboratory of Molecular Imaging, Wuhan, China.

Received for publication April 14, 2019; revision accepted May 21, 2019.

Conflicts of interest and sources of funding: This work was supported by the Key Project of Hubei Province Technical Innovation Special Funding (no. 2017ACA182) and the Clinical Research Physician Program of Tongji Medical College, Huazhong University of Science and Technology (no. 5001530008). None declared to all authors.

Correspondence to: Xiaoli Lan, MD, PhD, Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology No. 1277 Jiefang Ave, Wuhan 430022, China. E-mail: LXL730724@hotmail.com.

Online date: July 8, 2019

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