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국소성 기질화 폐렴의 CT 소견

Other Titles
 CT Findings of Focal Organizing Pneumonia 
Authors
 박준균  ;  유영훈  ;  유석종  ;  윤상욱  ;  남지은  ;  최규옥  ;  김형중  ;  이두연  ;  김상진 
Citation
 Journal of the Korean Radiologist Society (대한방사선의학회지), Vol.43(6) : 711-716, 2000 
Journal Title
 Journal of the Korean Radiologist Society (대한방사선의학회지) 
ISSN
 0301-2867 
Issue Date
2000
MeSH
Carcinoma, Bronchogenic ; Consensus ; Diagnosis ; Follow-Up Studies ; Humans ; Lung Neoplasms ; Lymph Nodes ; Medical Records ; Pleura ; Pneumonia* ; Radiography, Thoracic ; Retrospective Studies ; Tomography, X-Ray Computed
Keywords
Pneumonia ; Lung, CT
Abstract
PURPOSE: Focal organizing pneumonia (FOP) is a benign condition which is often difficult to differentiate from bronchogenic carcinoma, and many patients with FOP undergo invasive procedures. We tried to determine which CT features might help provide a confident diagnosis of FOP. MATERIALS AND METHODS: We retrospectively reviewed the medical records, chest radiographs and CT scans of 13 patients with histopathologically proven FOP. Initial chest radiographs in all 13 suggested bronchogenic carcinoma. The CT scans were reviewed by three radiologists, and final decisions were reached by consensus. They were analyzed in terms of the size, shape, contour and localization of the lesion, internal characteristics of the nodule, changes in surrounding structures, and changes in any of these findings, as revealed by follow-up chest CT scanning. RESULTS: FOP lesions were oval or triangular in shape and between 1.8 and 6.5 cm in their largest diameter. All had irregular margins and all but one were peripherally located. Eight (61.5%) were in contact with the pleura and five (38.5%) were located along the peripheral bronchovascular bundle, with pleural indentation; in eight (61.5%), post-contrast CT scanning revealed inhomogeneous enhancement, and four (30.8%) had pleural tags. In five (38.5%), there was coarse spiculation; for six (46.2%), air bronchograms were available, and in four (30.8%), satellite nodules were present. Spotty calcification and lymph node enlargement were each evident in one case only. Follow-up CT scanning, available in four cases, showed that the mass decreased in size in three and disappeared completely in one. CONCLUSION: Although there were no consistent CT features for differentiating focal organizing pneumonia from lung cancer, the possibility of the former should be considered when a peripherally-located oval or triangular-shaped mass is in broad contact with the pleura or is located along the bronchovascular bundle, and satellite nodules are also present.
Files in This Item:
T200001275.pdf Download
DOI
10.3348/jkrs.2000.43.6.711
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
Yonsei Authors
Ryu, Young Hoon(유영훈) ORCID logo https://orcid.org/0000-0002-9000-5563
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/172083
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