Presentation
2 weeks of inappetance and 1 week of intermittent retching. On bloodwork there was a regenerative anemia (20%), leukocytosis (17,000), neutrophilia, thrombocytopenia (108,000), and mild bilirubinemia. Today he became ataxic on both pelvic limbs.
Patient Data
There is poor peritoneal detail and distension of the abdomen. There is a mass effect in the mid-abdomen on the lateral projection, and a more well-defined mass caudal to the stomach on the v/d projection. The small intestine is displaced caudally on the lateral projection.
On abdominal ultasound, the splenic mass is confirmed. It has a heterogenous appearance with hyperechoic and cavitated regions. There is surrounding echogenic effusion.
Splenic mass is most likely hemangiosarcoma with hemoabdomen. A hematoma is a differential diagnosis.
Case Discussion
Splenic mass - hemangiosarcoma
Most large mid-abdominal masses are splenic in origin. Pedunculated liver masses occasionally appear caudal to the stomach however. The two most common causes of splenic masses in dogs are hemangiosarcoma and hematoma. Fine needle aspirates are usually not diagnostic, and splenectomy is generally required for treatment and diagnosis.
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