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Canine sterile steroid-responsive lymphadenitis in 49 dogs
A Ribas Latre1, A McPartland2, D Cain2
1Dick White Referrals, Six Mile Bottom, Cambridgeshire, CB8 0UH, UK.
The Journal of Small Animal Practice
|January 27, 2019
Summary
Sterile steroid-responsive lymphadenitis in dogs often presents with fever and swollen lymph nodes. This condition typically responds well to prednisolone treatment, offering a positive prognosis.
Area of Science:
- Veterinary Medicine
- Immunology
- Canine Pathology
Background:
- Sterile steroid-responsive lymphadenitis is an inflammatory condition affecting dogs.
- Diagnosis involves excluding other causes of lymphadenopathy and pyrexia.
- This condition is suspected to have an immune-mediated etiology.
Purpose of the Study:
- To describe the clinical and laboratory findings in dogs with sterile steroid-responsive lymphadenitis.
- To evaluate treatment responses and outcomes in affected dogs.
- To identify key features for diagnosing this condition in canine patients.
Main Methods:
- Retrospective evaluation of medical records from 49 dogs diagnosed with sterile steroid-responsive lymphadenitis.
- Data collected from six specialist referral centers in the United Kingdom between 2009 and 2016.
- Analysis of clinical signs, lymph node cytology/histopathology, and treatment outcomes with prednisolone.
Main Results:
- Springer spaniels were over-represented; young female dogs were frequently affected.
- Common clinical signs included pyrexia, lethargy, and anorexia.
- Lymph node analysis revealed neutrophilic, pyogranulomatous, granulomatous, or necrotising lymphadenitis without an identifiable cause. Prednisolone treatment led to rapid resolution of signs and lymphadenopathy in most cases.
Conclusions:
- Sterile steroid-responsive lymphadenitis is a key differential diagnosis for dogs with pyrexia of unknown origin and inflammatory lymphadenopathy.
- Prompt diagnosis and treatment with immunosuppressive corticosteroids like prednisolone are crucial for favorable outcomes.
- This condition highlights the importance of considering immune-mediated causes in canine lymphadenopathy.
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