Blood count changes of Bothrops atrox (Squamata: Viperidae) with oviduct neoplasia

The blood count is an excellent adjunctive tool for evaluating the health status of animals. Therefore, establishing correlations between hematological parameters and various diseases is essential. The aim of this study was to evaluate blood count alterations in Bothrops atrox diagnosed with oviductal neoplasia. All snakes underwent a physical examination and presented a mass in the coelomic cavity, detected by palpation. They were subjected to surgical removal of the mass. Histology confirmed the diagnosis of eight fibromas (8/10; 80%) and two fibrosarcomas (2/10; 20%). The most frequently observed hematological changes were heterophil-to-lymphocyte ratio (10/10; 100%), lymphopenia (8/10; 80%) and thrombocytopenia (9/10; 90%). Keywords: common lancehead, hematology, oncology, fibroma, fibrosarcoma