Urinary bladder neoplasms associated with bovine enzootic hematuria
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Three cases of bovine enzootic hematuria (BHE) are described in cattle from the municipality of Jaguari, Rio Grande do Sul, Brazil. The pastures of all affected farms were highly infested with bracken fern (Pteridium aquilinum). Three 4-7-year-old bovine had clinical signs of progressive weight loss, intermittent hematuria, and mucosal pallor. The main lesions were observed in the urinary bladder and consisted of three types of neoplasms: capillary hemangioma, hemangiosarcoma, and squamous cell carcinoma. The epidemiology, the clinical signs, and the gross and microscopic lesions observed in all three bovine were of BHE.