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Intestinal pseudoobstruction in a dog.

R H Arrick, L J Kleine

    Journal of the American Veterinary Medical Association
    |May 15, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Idiopathic intestinal pseudoobstruction in a Yorkshire Terrier caused severe malabsorption due to jejunal muscle hypoplasia. This condition mimics obstruction, impacting canine gastrointestinal motility.

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    Area of Science:

    • Veterinary Medicine
    • Gastroenterology
    • Canine Pathology

    Background:

    • Idiopathic intestinal pseudoobstruction is a rare condition characterized by impaired gastrointestinal motility without mechanical obstruction.
    • Yorkshire Terriers can be predisposed to gastrointestinal disorders, necessitating accurate diagnosis and management.

    Observation:

    • A 6-year-old Yorkshire Terrier presented with vomiting, diarrhea, and abdominal distention.
    • Radiography revealed small intestinal dilation and decreased motility, suggesting a motility disorder.
    • Exploratory laparotomy identified a dilated jejunal segment, but no mechanical obstruction was present.

    Findings:

    • Biopsy of the jejunum showed hypoplasia of the tunica muscularis.
    • Absence of fibrosis, inflammation, or myenteric plexus abnormalities ruled out other causes of intestinal dysfunction.

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  • The diagnosis was confirmed as idiopathic intestinal pseudoobstruction.

    • Implications:

    • This case highlights the importance of considering motility disorders in dogs with signs mimicking intestinal obstruction.
    • Hypoplasia of the tunica muscularis is a key pathological finding in canine idiopathic intestinal pseudoobstruction.
    • Effective long-term management strategies for chronic intestinal malabsorption secondary to pseudoobstruction require further investigation.