Abstract
Objective
The objective of this study was to evaluate the prevalence and positron emission tomography (PET) imaging features of pulmonary drug toxicity in patients with lymphoma during or just following chemotherapy.
Methods
A total of 677 PET scans on 460 patients with lymphoma (351 non-Hodgkin’s lymphoma, 92 Hodgkin’s disease, and 17 both Hodgkin’s and non-Hodgkin’s lymphoma) were performed for the evaluation of chemotherapy response. In 51 patients, abnormal accumulation on both sides of the chest was reported. A review of medical records, 18fluorodeoxyglucose (18FDG)-PET scans, and chest computed tomography (CT) was performed, and cases with probable drug toxicity were identified. Inclusion criteria of probable drug toxicity were abnormal but symmetrical FDG accumulation in both lungs seen during or just following the completion of chemotherapy, the abnormal accumulation or corresponding abnormal CT findings resolved on sub sequent studies, exclusion of clinical diagnosis of pneumonia, radiation pneumonitis, or lymphoma involvement.
Results
In 10 patients (six men and four women, average age 47.3), 2.2% of cases, probable drug toxicity was identified. In all 10 cases, diffuse and subpleural-dominant FDG accumulation was seen on FDG-PET scans, and scattered or diffuse ground-glass opacities were observed on chest CT. Four patients reported symptoms, and six patients did not report any symptoms.
Conclusions
Diffuse and peripheral-dominant FDG accumulation in the lung, which may represent pulmonary drug toxicity, was not uncommon in patients with lymphoma who underwent chemotherapy. FDG-PET scan might be able to detect pulmonary drug toxicity in asymptomatic patients.
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Kazama, T., Faria, S.C., Uchida, Y. et al. Pulmonary drug toxicity: FDG-PET findings in patients with lymphoma. Ann Nucl Med 22, 111–114 (2008). https://doi.org/10.1007/s12149-007-0089-9
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DOI: https://doi.org/10.1007/s12149-007-0089-9