Diagnostic value of neutrophil-lymphocyte and albumin-globulin ratios in canine soft tissue sarcoma

Objective

To investigate the ability of neutrophil-to-lymphocyte ratio and albumin-to-globulin ratio to differentiate soft tissue sarcoma from benign soft tissue tumours.

Methods

A retrospective study of pretreatment haematology and biochemistry in dogs diagnosed with soft tissue sarcoma or benign soft tissue tumours. The neutrophil-to-lymphocyte ratio and albumin-to-globulin ratio were compared between the two groups. In dogs diagnosed with soft tissue sarcoma, the relationship of neutrophil-to-lymphocyte ratio and albumin-to-globulin ratio to histological tumour grade (I to III) was assessed.

Results

In the dogs with soft tissue sarcoma (n=22), the neutrophil-to-lymphocyte ratio was significantly increased and the albumin-to-globulin ratio decreased compared to those with benign soft tissue tumours (n=14). The neutrophil-to-lymphocyte ratio and albumin-to-globulin ratio were not useful as predictors of tumour grade in dogs diagnosed with soft tissue sarcoma.

Clinical relevance

Pretreatment neutrophil-to-lymphocyte ratio and albumin-to globulin ratio may aid with diagnosis and optimal treatment planning. Further investigation into their prognostic implications is warranted.

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