Document Detail


Pulmonary gangrene and the air crescent sign.
MedLine Citation:
PMID:  8434358     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: A study was carried out to increase familiarity with the aetiology, pathogenesis, and radiographic features that characterise pulmonary gangrene.
PATIENTS: Four patients with one of the disorders vasoinvasive aspergillosis, infarcted tuberculous cavity, chronic necrotising aspergillosis, and gangrene due to Pseudomonas aeruginosa were selected because they showed the variations of the typical radiographic pattern and illustrated the pathogenesis. A fifth case is also presented, in which pulmonary gangrene was simulated by the invagination of a loculated pleural effusion into the wall of a contiguous lung abscess.
CONCLUSIONS: Evolution of a crescent or rim of air within a homogeneous shadow is the feature that both heralds the development and facilitates the recognition of pulmonary gangrene. It is most often the result of vascular thrombosis induced by the infecting organism. The outcome of treatment is often unfavourable, principally because of the severity of the predisposing systemic or local underlying disorder, although a delay in diagnosis, possibly due to unfamiliarity with the radiographic pattern, may have contributed to the adverse outcome in some instances.
Authors:
J M Reich
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Thorax     Volume:  48     ISSN:  0040-6376     ISO Abbreviation:  Thorax     Publication Date:  1993 Jan 
Date Detail:
Created Date:  1993-03-17     Completed Date:  1993-03-17     Revised Date:  2012-05-09    
Medline Journal Info:
Nlm Unique ID:  0417353     Medline TA:  Thorax     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  70-4     Citation Subset:  IM    
Affiliation:
Division of Pulmonary Medicine, Bess Kaiser Medical Center, Portland, Oregon.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Aspergillosis / radiography
Aspergillus fumigatus
Female
Gangrene
Humans
Lung / pathology,  radiography*
Lung Diseases / radiography
Lung Diseases, Fungal / radiography
Male
Middle Aged
Pseudomonas Infections / radiography
Radiation Injuries / radiography
Tuberculosis, Pulmonary / radiography
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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