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Updated: Jul 30, 2025
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Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
Published on: September 9, 2020
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A retrospective study on bone metastasis in dogs with advanced-stage solid cancer
C Agnoli1, S Sabattini1, A Ubiali1
1Department of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy.
The Journal of Small Animal Practice
|May 15, 2023
Summary
Solid canine cancers metastasizing to bone carry a poor prognosis, often leading to skeletal complications. Antitumoural therapy significantly improves survival in dogs with bone metastases.
Area of Science:
- Veterinary oncology
- Comparative oncology
- Canine cancer research
Background:
- Bone metastases are a common complication of solid cancers in dogs.
- These metastases significantly impact a dog's quality of life and survival.
- Understanding prognostic factors is crucial for effective management.
Purpose of the Study:
- To review the clinical characteristics of dogs with solid cancer and bone metastases.
- To analyze treatment strategies and their impact on survival.
- To identify prognostic factors influencing outcomes in these cases.
Main Methods:
- Retrospective review of medical records from dogs with histologically confirmed solid cancer and bone metastases.
- Collection of clinicopathologic variables, bone metastasis characteristics, and skeletal-related events.
- Analysis of survival endpoints, including time to bone metastases and overall survival.
Main Results:
- Fifty dogs were included; 83% died due to skeletal-related events.
- Lack of antitumoural therapy was linked to shorter survival and increased risk of skeletal death.
- Dogs receiving antitumoural therapy, with endocrine/neuroendocrine tumors, and without extra-skeletal metastases had better survival chances.
Conclusions:
- Bone metastases in dogs with solid tumors are associated with a poor prognosis and high risk of skeletal-related events.
- Antitumoural therapy appears to positively impact survival in affected dogs.
- Identifying prognostic factors can guide treatment decisions and improve outcomes.
