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Related Experiment Videos

Diffuse bronchiolo-alveolar carcinoma in a dog.

W Bertazzolo1, D Zuliani, E Pogliani

  • 1Pronto Soccorso Veterinario, Lodi, Italy.

The Journal of Small Animal Practice
|June 21, 2002
PubMed
Summary

A rare diffuse bronchiolo-alveolar carcinoma mimicked interstitial lung disease in a dog. This canine lung cancer case highlights the importance of considering unusual presentations for accurate diagnosis.

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Area of Science:

  • Veterinary Pathology
  • Canine Oncology
  • Pulmonary Disease

Background:

  • Respiratory distress is a common presenting sign in dogs.
  • Diffuse interstitial lung disease can be challenging to diagnose, often mimicking other pulmonary conditions.
  • Bronchiolo-alveolar carcinoma is a type of lung cancer that can occur in dogs.

Observation:

  • An eight-year-old German wirehaired pointer presented with respiratory distress.
  • Diagnostic workup revealed diffuse interstitial lung disease, secondary erythrocytosis, pulmonary hypertension, and cor pulmonale.
  • Lung biopsy suggested malignant epithelial neoplasia.

Findings:

  • Postmortem examination confirmed a primary lung cancer with diffuse miliary/micronodular lesions.
  • Histological diagnosis was bronchiolo-alveolar carcinoma, presenting in an unusually diffuse pattern.

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  • This presentation mimicked other diffuse interstitial lung diseases.

    • Implications:

    • This case underscores that diffuse bronchiolo-alveolar carcinoma should be considered in the differential diagnosis for dogs with diffuse interstitial lung disease.
    • Recognizing this rare presentation is crucial for accurate diagnosis and appropriate management of canine lung cancer.
    • Further research into the presentation and diagnosis of canine lung cancer is warranted.