Peer-reviewed veterinary case report
Dog with malignant aortic tumor spreading to multiple bones causing
By Kim, Sang-Ki et al.·Published in The Journal of veterinary medical science·2005·College of Veterinary Medicine, South Korea·View original on PubMed →
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Original publication title: Unusual metastasis of malignant aortic body tumor to multiple bones in a dog.
- Species:
- dog
Plain-English summary
A 5-year-old female English Setter was diagnosed with a malignant tumor originating from the aortic body, which spread to multiple bones, including the spine and femur. The dog showed signs of paraplegia due to the tumor pressing on the spinal cord. X-rays revealed abnormal masses in the heart and various bone lesions. Unfortunately, the condition was severe, and the dog had multiple tumor masses found during a necropsy. This case highlights the rare occurrence of bone metastases from a malignant aortic body tumor in dogs.
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Abstract
Unusual metastasis of malignant aortic body tumor to multiple bones was detected in a 5-year-old female English Setter dog. Radiographs exhibited an abnormal mass in the base of heart and osteolytic lesions in the bodies of T11 and L2 vertebrates, body of right femur, right proximal humoral epiphysis and infraspinous fossa near to the neck of right scapula. At necropsy, multiple tumor masses of various sizes were observed also in the bones as well as the heart base and tracheobronchial lymph node. Tumor masses of L2 and T11 protruded into the vertebral canal and compressed corresponding sites of spinal cord, leading to paraplegia. Histopathologically, the tumor cells, arranged in sheets or nests, were polyhedral, lightly eosinophilic, finely granular cytoplasm with mostly round to oval nucleus and had scattered bizarre giant cells. Ultrastructural study revealed the characteristic findings that tumor cells contained a large number of small, electron-dense, membrane-limited secretory granules in cytoplasm. This is thought to be an extremely rare case having multiple bone metastases of a malignant aortic body tumor.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15997194/