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KMID : 1103720160740010008
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Journal of the Korean Society of Radiology
2016 Volume.74 No. 1 p.8 ~ p.14
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Chest Radiographic Findings in Acute Paraquat Poisoning
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Na Gyeong-Gyun
Lee Mi-Sook
Noh Kyung-Hee
Kim Hee-Jun
Sun In-Oh
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Abstract
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Purpose
To describe the chest radiographic findings of acute paraquat poisoning.
Materials and Methods
691 patients visited the emergency department of our hospital between January 2006 and October 2012 for paraquat poisoning. Of these 691, we identified 56 patients whose initial chest radiographs were normal but who developed radiographic abnormalities within one week. We evaluated their radiographic findings and the differences in imaging features based on mortality.
Results
The most common finding was diffuse consolidation (29/56, 52%), followed by consolidation with linear and nodular opacities (18/56, 32%), and combined consolidation and pneumomediastinum (7/56, 13%). Pleural effusion was noted in 17 patients (30%). The two survivors (4%) showed peripheral consolidations, while the 54 patients (96%) who died demonstrated bilateral (42/54, 78%) or unilateral (12/54, 22%) diffuse consolidations.
Conclusion
Rapidly progressing diffuse pulmonary consolidation was observed within one week on follow-up radiographs after paraquat ingestion in the deceased, but the survivors demonstrated peripheral consolidation.
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KEYWORD
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Paraquat, Poisoning, Radiography, Lung
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