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Juvenile malignant mesothelioma in a dog
Jin-Hyun Kim1, Yang-Kyu Choi, Hwa-Young Yoon
1Department of Pathology, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University, Suwon, Korea.
The Journal of Veterinary Medical Science
|May 10, 2002
Summary
A canine malignant mesothelioma, a rare cancer, was diagnosed in an 11-month-old dog presenting with persistent vomiting and anorexia. The tumor extensively infiltrated the mesentery and omentum, with lymph node metastasis observed.
Area of Science:
- Veterinary Pathology
- Canine Oncology
- Mesothelioma Research
Background:
- Malignant mesothelioma is a rare but aggressive tumor arising from mesothelial cells.
- Canine mesothelioma cases are infrequently reported, making each case valuable for understanding disease progression.
Observation:
- An 11-month-old mixed-breed dog presented with a two-month history of anorexia and vomiting.
- Necropsy revealed numerous, firm, protruding nodules (5-40 mm) across the mesentery and omentum.
Findings:
- Histological and immunohistochemical analyses confirmed the nodules as malignant mesothelioma.
- Metastatic spread was identified in the mesenteric, mediastinal, and tracheobronchial lymph nodes.
Implications:
- This case highlights the potential for aggressive malignant mesothelioma in young dogs.
- Further research into canine mesothelioma can improve diagnostic strategies and treatment outcomes.
- Understanding metastatic patterns is crucial for accurate staging and prognosis in affected animals.