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→Haemangiosarcoma
Rarely these nodules may rupture and give rise to haemorrhage.
Rarely these nodules may rupture and give rise to haemorrhage.
====[[Haemangiosarcoma]]====
==Haemangiosarcoma==
Haemangiosarcomas are a highly malignant tumour of vascular endothelial origin (cf Haemangiomas which are more benign and generally affect other vascular tissue such as cutaneous vascula tissues). Commonly affect dogs and the most frequently affected areas are the spleen, pericardium, right atrium, liver and muscle. The cat is affected less frequently and the most common sites are the liver, spleen and mesentry. Metastasis occurs via the haematogenous route or via rupture and transabdominal spread. Metastatic sites include, lungs, liver, omentum and diaphragm. Surgery is the treatment of choice but even with this survival time remains very short.
====Haematopoietic Neoplasms====
====Haematopoietic Neoplasms====