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Pulmonary actinomycosis mimicking lung cancer on positron emission tomography

Title
Pulmonary actinomycosis mimicking lung cancer on positron emission tomography
Author
이현
Keywords
Actinomycosis; diagnosis; lung neoplasms; positron emission tomography
Issue Date
2017-04
Publisher
MEDKNOW PUBLICATIONS & MEDIA PVT LTD
Citation
ANNALS OF THORACIC MEDICINE, v. 12, no. 2, page. 121-124
Abstract
Pulmonary actinomycosis frequently mimics lung malignancy on radiologic imaging studies. Positron emission tomography-computed tomography (PET-CT) is a useful diagnostic modality for differentiating lung malignancy from benign diseases. However, few studies evaluated PET-CT findings of pulmonary actinomycosis. Therefore, it is unclear whether PET-CT is helpful to distinguish lung malignancy from benign lung disease when pulmonary actinomycosis is clinically suspected. We investigated PET-CT findings in 11 patients with pathologically confirmed pulmonary actinomycosis. The median maximal standardized uptake value (SUV) on PET-CT of pulmonary actinomycosis was increased to 5.5 (interquartile range, 4.2-8.8), which was higher than the threshold value of 2.5 indicating malignancy. Pulmonary actinomycosis without central necrosis demonstrated higher maximal SUV of 7.5 (4.9-12.2) compared to 4.8 (3.2-5.6) of ones with central necrosis. PET-CT might be not helpful in differentiating lung malignancy from benign lesions when pulmonary actinomycosis is clinically suspected.
URI
http://www.thoracicmedicine.org/article.asp?issn=1817-1737;year=2017;volume=12;issue=2;spage=121;epage=124;aulast=Choihttps://repository.hanyang.ac.kr/handle/20.500.11754/113766
ISSN
1817-1737; 1998-3557
DOI
10.4103/1817-1737.203752
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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