Document Detail


Pulmonary arteriovenous fistula within a pulmonary cyst - evaluation with CT pulmonary angiography.
MedLine Citation:
PMID:  20505024     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Pulmonary arteriovenous malformations (PAVMs) are abnormal direct communications between pulmonary arteries and pulmonary veins. These abnormal communications result in an anatomical right-to-left shunt that reduces the arterial oxygen saturation and may cause hypoxaemia and dyspnoea. Although PAVMs frequently remain undiagnosed, they are associated with severe morbidity in the form of ischaemic strokes and brain abscesses. We report a case of incidental CT angiography depiction of a PAVM within a pulmonary cyst. To the best of our knowledge, no such case has been described previously. On the basis of its appearance and lack of typical clinical features of hereditary haemorrhagic telangiectasia (HHT), we suggest that this PAVM actually represents an acquired fistula from a previously unrecognised focal pulmonary insult, such as trauma or infection, that simultaneously evolved into a pulmonary arteriovenous fistula (PAVF) within a traumatic pulmonary cyst or pneumatocele.
Authors:
E Ghersin; D J Hildoer; J E Fishman
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The British journal of radiology     Volume:  83     ISSN:  1748-880X     ISO Abbreviation:  Br J Radiol     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-27     Completed Date:  2010-08-02     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  0373125     Medline TA:  Br J Radiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  e114-7     Citation Subset:  AIM; IM    
Affiliation:
Department of Radiology, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida, USA. eghersin@med.miami.edu
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MeSH Terms
Descriptor/Qualifier:
Aged
Arteriovenous Fistula / complications,  radiography*
Cysts / complications,  radiography*
Female
Humans
Imaging, Three-Dimensional
Incidental Findings
Pulmonary Artery / abnormalities,  radiography*
Pulmonary Veins / abnormalities,  radiography*
Tomography, X-Ray Computed / methods
Comments/Corrections

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