An eight-year-old neutered female Golden Retriever presented for evaluation of lethargy, coughing, haemoptysis and pyrexia. Thoracic radiography identified a diffuse nodular pattern affecting all lung lobes and echocardiography revealed a hyperechoic intraluminal mass within the pulmonary artery. Postmortem examination confirmed the presence of a small irregular raised non-occluding sessile intraluminal mass infiltrating the wall of the pulmonary artery. It was composed of plump spindle shaped or polygonal cells interspersed between and occasionally lining variably sized trabeculae of osteoid consistent with a diagnosis of osteoblastic osteosarcoma. Secondary pulmonary masses of similar size to the primary neoplasm and large tumour emboli within pulmonary vessels suggested early metastasis. Primary osteosarcoma of the pulmonary artery has not been reported in the dog and its clinical presentation, gross and microscopic features, biological behaviour and tissue of origin are discussed.
- Pulmonary artery
Statistics from Altmetric.com
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.