Pyloric outflow obstruction secondary to sclerosing encapsulating peritonitis in a dog

K. A. Carroll, M. L. Wallace, T. L. Hill, J. W. Bartges, J. L. Ruby, A. T. Mulder, J. I. Helmick

Research output: Contribution to journalArticlepeer-review

Abstract

A 6-year-old, male neutered mixed breed dog was presented emergently with a three-week history of hyporexia, vomiting, diarrhoea and weight loss. Upon examination, the patient was dull, had generalised muscle atrophy, moderate abdominal pain and a mild amount of peritoneal effusion. A fluid-filled, distended, corrugated small bowel with marked gastroparesis and moderate peritoneal effusion was noted on abdominal ultrasonography. Endoscopy revealed hyperaemic and friable mucosa and a subjectively narrowed pylorus. Emergency exploratory celiotomy was performed due to worsening patient condition and revealed thick, diffuse, fibrous adhesions of the abdominal cavity. Based on these findings, sclerosing encapsulating peritonitis (SEP) was suspected. A large mass of omentum adjacent to the greater curvature of the stomach had caused a pyloric outflow obstruction. Adhesiolysis was attempted but was unsuccessful due to the friability of the small intestines. The dog was humanely euthanased under anaesthesia. A diagnosis of SEP was confirmed via necropsy. No underlying cause was identified. This is the first known case of a pyloric outflow obstruction secondary to SEP in a dog. Although rare, this condition should be considered as a differential for dogs with signs of a pyloric outflow obstruction with concurrent ascites and abdominal pain, hyporexia, vomiting and diarrhoea.

Original languageEnglish (US)
Pages (from-to)11-16
Number of pages6
JournalAustralian veterinary journal
Volume98
Issue number1-2
DOIs
StatePublished - Jan 1 2020
Externally publishedYes

Bibliographical note

Funding Information:
This study was not supported by a grant. The authors also thank the UGA Diagnostic Imaging and Anatomic Pathology services for their assistance with images for this manuscript.

Publisher Copyright:
© 2019 Australian Veterinary Association

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • modified transudate effusion
  • pyloric outflow obstruction
  • sclerosing encapsulating peritonitis
  • surgery

PubMed: MeSH publication types

  • Case Reports

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