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FDG PET/CT in a Case of Caplan Syndrome
Jun Zhang1, Aisheng Dong2, Yang Wang3
1Department of Cardiothoracic Surgery, The Second Affiliated Hospital, Jiaxing University, Jiaxing, Zhejiang.
None:
Caplan syndrome is a rare disease characterized by pulmonary nodules in patients with rheumatoid arthritis with a history of exposure to inhaled inorganic dust particles. We describe FDG PET/CT findings and evolution of CT findings in a case of Caplan syndrome. FDG PET/CT showed multiple consolidations with moderate activity in both upper lobes, numerous small nodules with mild activity in both lungs, and multiple FDG-avid lymph nodes in the mediastinum and bilateral hila and axillae. Follow-up CT showed confluence of the consolidations in both upper lobes and emergence of multiple peripherally located well-defined cavitating nodules.
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