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Birefringent particles as an effective factor in usual interstitial pneumonia

Authors
Kim, Min JungHa, Seung YeonJeong, Sung HwanShin, Bongkyung
Issue Date
Aug-2008
Publisher
KOREAN SOCIETY PATHOLOGISTS
Keywords
pneumonias; interstitial; polarization microscopy; dust
Citation
KOREAN JOURNAL OF PATHOLOGY, v.42, no.4, pp 198 - 201
Pages
4
Indexed
SCIE
SCOPUS
KCI
Journal Title
KOREAN JOURNAL OF PATHOLOGY
Volume
42
Number
4
Start Page
198
End Page
201
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/31489
ISSN
1738-1843
2092-8920
Abstract
Background : It has long been recognized that birefringent paticles (BP) are associated with pulmonary disease. And there is increasing evidence that BP cause fibrotic reaction within the lung depending on both particle size and composition. Methods : We collected 41 cases of usual interstitial pneumonia (UIP) and 101 cases of normal lung tissue from control group including squamous cell carcinoma, adenocarcinoma and bullae. BPs in the 0.1 to 10 mu m size range under polarizing microscope was measured and counted by image analyzer. Results : BP counts are mean 244.05/10 HPF in UIP and 71.4/10 HPF in control group. BPs in UIP is three times more than control (p=0.000). It increased significantly by the age of patients (p=0.000). Conclusions : BPs in lung might be important cause of inflammation and fibrosis in UIP.
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