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Halo sign on high resolution CT: Findings in spectrum of pulmonary diseases with pathologic correlation

Title
Halo sign on high resolution CT: Findings in spectrum of pulmonary diseases with pathologic correlation
Authors
Kim Y.Lee K.S.Jung K.-J.Han J.Kim J.S.Suh J.S.
Ewha Authors
서정수김유경
SCOPUS Author ID
서정수scopusscopus; 김유경scopus
Issue Date
1999
Journal Title
Journal of Computer Assisted Tomography
ISSN
0363-8715JCR Link
Citation
vol. 23, no. 4, pp. 622 - 626
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The halo sign in a pulmonary nodule refers to the condition in which soft tissue attenuation of a pulmonary nodule is surrounded by peripheral ground glass attenuation on high resolution CT. The halo sign can be caused by several pathologic processes: hemorrhagic pulmonary nodules, tumor cell infiltration, and nonhemorrhagic inflammatory lesions. Hemorrhagic pulmonary nodules may occur in infectious diseases including invasive pulmonary aspergillosis, mucormycosis, and candidiasis and noninfectious diseases including Wegener granulomatosis and primary and metastatic hemorrhagic tumors. Tumor cell infiltration in bronchioloalveolar carcinoma, pulmonary lymphoma, and pulmonary metastatic neoplasm may appear with the halo sign. Eosinophilic lung disease and organizing pneumonia are representative of inflammatory lesions showing the sign.
DOI
10.1097/00004728-199907000-00025
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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