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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
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.
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.
- 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.