Peer-reviewed veterinary case report
Survival after lung tumor surgery in dogs depends on tumor stage
By Polton, G A et al.·Published in The Journal of small animal practice·2008·Davies Veterinary Specialists, United Kingdom·View original on PubMed →
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Original publication title: Impact of primary tumour stage on survival in dogs with solitary lung tumours.
- Species:
- dog
Plain-English summary
A group of dogs with solitary lung tumors was evaluated to see how the stage of the tumor affected their chances of survival after surgery. Dogs with early-stage tumors (T1) that had not spread to lymph nodes or other parts of the body had a much better outcome, living an average of 555 days after surgery, compared to just 72 days for those with more advanced tumors. This study suggests that identifying the tumor stage can help veterinarians decide which dogs are likely to benefit from surgery and may lead to further research on additional treatments like chemotherapy for more advanced cases.
People also search for: dog lung tumor survival rate · canine lung cancer treatment · what to expect after dog lung surgery
Abstract
OBJECTIVES: The objective of this study was to determine simple prognostic criteria for differentiation of canine solitary lung tumour cases into those that will and will not benefit from thoracic surgery. METHODS: This was a retrospective study using the records of cases presented to Davies Veterinary Specialists, Hitchin, UK, from December 1998 to December 2005. Survival analyses were performed using the Kaplan-Meier and logrank methods. Potentially significant variables were evaluated by multivariate Cox analysis. RESULTS: Forty-two patients met the inclusion criteria. Primary tumour stage T1, absence of neoplastic lymph nodes and metastases, and papillary tumour type were statistically significant favourable prognostic indicators on univariate analysis. Multivariate analysis attributed significance to primary tumour stage T1 and papillary type only. Median survival times were 555 days for T1N0M0 tumours of papillary type and 72 days for the remainder. CLINICAL SIGNIFICANCE: Survival time following surgery in dogs with primary lung tumours was poor except in clinical stage T1N0M0 cases. These data support use of clinical techniques to dichotomise cases as T1N0M0 or other, improving decision making in thoracic surgery. These data validate initiation of prospective studies examining the role of chemotherapy in the management of advanced cases.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/17725584/