Document Detail

Remnant of the common pulmonary vein mistaken for a left atrial mass: clarification by transoesophageal echocardiography.
MedLine Citation:
PMID:  1515289     Owner:  NLM     Status:  MEDLINE    
Faulty incorporation of the common pulmonary vein leaves it as a distinct structure posteriorly, into which the pulmonary veins empty. This "chamber" is separated from the anterior "fetal" left atrium (containing the left atrial appendage and communicating with the mitral valve) by a diaphragm, and is known as cor triatriatum, one of the rarest of cardiac malformations. Less pronounced but still incomplete regression of this vein would result in the persistence of a portion of the common pulmonary vein appearing as a mass along the lateral wall of the left atrium at the junction of the left atrial appendage and left upper pulmonary vein. In two patients, both referred for evaluation of a left atrial mass, transoesophageal echocardiography identified the "mass" as a remnant of the common pulmonary vein. Cardiologists need to be aware of this structural remnant and its possible variants so as to avoid misdiagnosis of this prominence as an atrial tumour or mass.
W J Manning; C A Waksmonski; M F Riley
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  British heart journal     Volume:  68     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1992 Jul 
Date Detail:
Created Date:  1992-10-08     Completed Date:  1992-10-08     Revised Date:  2010-05-18    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  4-5     Citation Subset:  AIM; IM    
Charles A Dana Research Institute, Beth Israel Hospital, Boston Massachusetts.
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MeSH Terms
Diagnosis, Differential
Heart Atria / abnormalities*,  ultrasonography
Heart Neoplasms / ultrasonography*
Middle Aged
Pulmonary Veins / abnormalities*,  ultrasonography
Comment In:
Br Heart J. 1992 Jul;68(1):1-3   [PMID:  1515284 ]

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

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