Document Detail

Persistent left cranial vena cava causing oesophageal obstruction and consequent megaoesophagus in a dog.
MedLine Citation:
PMID:  16952369     Owner:  NLM     Status:  MEDLINE    
A 2-month-old Brittany spaniel dog was presented for persistent regurgitation, first observed soon after weaning. Clinical examination and diagnostic imaging suggested megaoesophagus associated with a vascular ring anomaly. The normal location of the trachea on the X-ray was not consistent with a persistent right aortic arch. Post-mortem examination revealed a persistent left cranial vena cava that formed a non-elastic fibrous band enclosing the oesophagus and trachea, and causing constriction of the oesophagus. This uncommon congenital vascular defect has never previously been associated with megaoesophagus in the dog.
T Larcher; J Abadie; F A Roux; J-Y Deschamps; M Wyers
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2006-09-06
Journal Detail:
Title:  Journal of comparative pathology     Volume:  135     ISSN:  0021-9975     ISO Abbreviation:  J. Comp. Pathol.     Publication Date:    2006 Aug-Oct
Date Detail:
Created Date:  2006-09-25     Completed Date:  2006-12-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0102444     Medline TA:  J Comp Pathol     Country:  England    
Other Details:
Languages:  eng     Pagination:  150-2     Citation Subset:  IM    
Department of Pathology, Veterinary School of Nantes, BP 40706, 44307 Nantes Cedex 3, France.
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MeSH Terms
Dog Diseases / etiology*,  pathology
Esophageal Achalasia / etiology,  veterinary*
Esophageal Stenosis / etiology,  veterinary*
Esophagus / pathology
Heart Defects, Congenital / complications,  veterinary
Vena Cava, Superior / abnormalities*

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