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Goto, Shun, Matsusaka, Yohji, Yamane, Tomohiko, Hoshino, Yuki, Kuji, Ichiei. (1400). Diffuse FDG uptake in the bilateral lungs: hypersensitivity pneumonitis supported by low-dose CT findings. , 10(1), 43-46. doi: 10.22038/aojnmb.2021.56000.1393
Shun Goto; Yohji Matsusaka; Tomohiko Yamane; Yuki Hoshino; Ichiei Kuji. "Diffuse FDG uptake in the bilateral lungs: hypersensitivity pneumonitis supported by low-dose CT findings". , 10, 1, 1400, 43-46. doi: 10.22038/aojnmb.2021.56000.1393
Goto, Shun, Matsusaka, Yohji, Yamane, Tomohiko, Hoshino, Yuki, Kuji, Ichiei. (1400). 'Diffuse FDG uptake in the bilateral lungs: hypersensitivity pneumonitis supported by low-dose CT findings', , 10(1), pp. 43-46. doi: 10.22038/aojnmb.2021.56000.1393
Goto, Shun, Matsusaka, Yohji, Yamane, Tomohiko, Hoshino, Yuki, Kuji, Ichiei. Diffuse FDG uptake in the bilateral lungs: hypersensitivity pneumonitis supported by low-dose CT findings. , 1400; 10(1): 43-46. doi: 10.22038/aojnmb.2021.56000.1393

Diffuse FDG uptake in the bilateral lungs: hypersensitivity pneumonitis supported by low-dose CT findings

Asia Oceania Journal of Nuclear Medicine and Biology
مقاله 6، دوره 10، شماره 1، فروردین 2022، صفحه 43-46    اصل مقاله (1.05 M)
نوع مقاله: Case report
شناسه دیجیتال (DOI): 10.22038/aojnmb.2021.56000.1393
نویسندگان
Shun Goto1؛ Yohji Matsusaka* 1؛ Tomohiko Yamane1؛ Yuki Hoshino2؛ Ichiei Kuji1
1Department of Nuclear Medicine, Saitama Medical University International Medical Center, Saitama, Japan
2Department of Respiratory Medicine, Saitama Medical University Hospital, Saitama, Japan
چکیده
Hypersensitivity pneumonitis (HP) is an interstitial lung disease resulting from an immune-mediated response in susceptible and sensitized individuals to various inhaled antigens in the environment. Imaging diagnosis is usually based on high-resolution CT findings. Here, we present a 49-year-old man with a history of diffuse large B-cell lymphoma presented with fever and occasional cough. 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) revealed diffuse FDG uptake in the bilateral lungs. Expiratory low-dose CT simultaneously performed in PET scanning revealed centrilobular nodules and air trapping in ground glass opacities (GGO). Our imaging diagnosis was acute hypersensitivity pneumonitis (HP). Based on the results of his clinical course, blood laboratory tests, and bronchoscopy, he was diagnosed with acute HP. Diffuse pulmonary FDG uptake can be seen in the patients with acute HP. In addition, expiratory low-dose CT findings of centrilobular nodules and air trapping in GGO may be helpful for accurate diagnosis of acute HP.
کلیدواژه‌ها
18F-fluorodeoxyglucose؛ Hypersensitivity pneumonitis؛ Low-dose computed tomography؛ Positron emission tomography
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