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(18)F-FDG PET/CT in Patients with Nodular Pulmonary Amyloidosis: Case Report and Literature Review
Xiao-Qing Quan1, Tie-Jun Yin1, Cun-Tai Zhang1
1Department of Geriatrics, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Abstract:
A 62-year-old woman was found to have multiple bilateral pulmonary nodules showing different (18)F-fluorodeoxyglucose (FDG) uptakes on positron-emission tomography/computed tomography (PET/CT). Only the largest nodule in the left lower lobe showed an increased (18)F-FDG uptake on PET/CT. Three nodules were surgically resected from different lobes of the left lung. Two lobes were benign and showed amyloid deposition. The largest nodule in the left lower lobe showed adenocarcinoma and a heavy amyloid deposition. Pulmonary amyloidosis should be added to the differential diagnosis for cases with multiple pulmonary nodules that show different (18)F-FDG uptakes on PET/CT. To the best of our knowledge, this is the second reported case of a lung nodule consisting of adenocarcinoma and amyloid deposition.
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