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Total excision of a caudal mediastinal paraoesophageal abscess in a dog
  1. Josep Aisa1,
  2. Jean-Guillaume Grand2,
  3. Sabela Atencia3,
  4. Micaela Zarelli3 and
  5. John J Callanan4,5
  1. 1Department of Small Animal Surgery, University of Glasgow, 464 Bearsden Road, Bearsden, Glasgow G61 1BD, UK
  2. 2Department of Surgery, Clinique vétérinaire Aquivet, Zac Mermoz, Avenue de la Forêt, Eysines 33320, France
  3. 3University College Dublin, UCD Veterinary Hospital, Belfield Campus, Dublin 4, Ireland
  4. 4Department of Veterinary Pathology, University College Dublin, Belfield, Dublin 4, Ireland
  5. 5Ross School of Veterinary Medicine, Basseterre, St Kitts, Saint Kitts and Nevis
  1. Correspondence to Dr Jean-Guillaume Grand, jenggrand{at}


A three-year-old female Irish setter dog presented with a history of shallow breathing, pyrexia and regurgitation. CT imaging revealed a 13×7×5 cm caudal mediastinal mass extending from the level of the right atrium to the diaphragm and surrounding the oesophagus. Total excision was achieved by a left sixth intercostal thoracotomy approach. Histological examination was consistent with a sterile abscess. The dog recovered uneventfully and was discharged on the third day after surgery. One year following surgery, the dog was in excellent physical condition with no evidence of recurrence of clinical signs. Total excision using a left sixth intercostal thoracotomy was a feasible and effective surgical option in this case. Benefit of total excision versus partial excision for caudal mediastinal paraoesophageal abscesses in dogs remains to be determined.

  • Dogs
  • Diagnostic imaging
  • Thoracic medicine
  • Surgery
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