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Clinical manifestations of chronic pancreatitis in English cocker spaniels
M Francisca Coddou1, Barbara Blacklaws1, Penny J Watson1
1Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
Background:
Chronic pancreatitis (CP) is common in English cocker spaniels (ECS). It is histologically similar to IgG4-related disease (IgG4-RD) in humans and is characterized by duct destruction, interlobular fibrosis, and dense periductular and perivenous lymphocytic aggregates. However, the clinical manifestations of CP in ECS have not been previously described.
Objectives:
Characterize the clinical manifestations of CP in a group of ECS, including similarities and differences to IgG4-RD in humans.
Animals:
One-hundred four ECS with CP and 44 client owned control ECS without CP (both healthy and diseased controls).
Methods:
Affected dogs were divided into 2 groups according to the methods used to diagnose CP. Case records were searched for signalment, clinical, and clinicopathological findings, and evidence of keratoconjunctivitis sicca (KCS), proteinuria, other immune-mediated diseases, and anal sacculitis.
Results:
Involvement of other organs was common. Affected ECS presented with a high frequency of KCS (n = 49), proteinuria (n = 47), anal gland disease (n = 36), atopy (n = 21), and other immune-mediated diseases (n = 16). Those with parti-color hair coats, particularly blue roan, had a strong association with CP, suggesting a link between coat color and autoimmune conditions in this breed.
Conclusions And Clinical Importance:
English cocker spaniels with CP show clinical similarities to humans with IgG4-RD and common involvement of other organs. Clinicians should evaluate affected Cocker Spaniels for proteinuria, keratoconjunctivitis sicca, and other potential immune-mediated diseases.
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