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==Description==
==Description==
The origin of abdominal haemangiosarcoma is often from the spleen. Neoplastic cells are implanted into the abdomen, causing widespread peritoneal seepage of blood or metastasise to the liver and lungs.
The origin of '''abdominal haemangiosarcoma''' is often from the spleen. Neoplastic cells are implanted into the abdomen, causing widespread peritoneal seepage of blood or metastasise to the liver and lungs. This is a highly malignant disease.
==Diagnosis==
==Diagnosis==
===Clinical Signs===
===Clinical Signs===
*Weakness and collapse
*Collapse; due to rupture of the mass, leading to a haemoabdomen
*Abdominal effusion
*Abdominal effusion
*Lethargy, weakness, pallor and anorexia may preceed a major bleed
===Laboratory Tests===
===Laboratory Tests===
====Haematology====
====Haematology====
*Anaemia
*Anaemia; may be regenerative if due to blood loss, or microangiopathic due to the passage of red blood cells through the microvascular network of the tumour
====Biochemistry====
====Biochemistry====
==Prognosis==
==Prognosis==
Poor due to high chance of metastasis.
Poor due to high risk of metastasis in the early course of the disease.