that develop within the liver
may be either benign
(noncancerous) or malignant
(cancerous). Tumors can start in the liver, or spread to the liver from another cancer in the body. Malignant liver tumors have been reported to metastasize
to other organs such as regional lymph nodes, lungs, kidneys, pancreas, spleen and others.
Signs and symptoms
Clinical signs are often vague and include weight loss, loss of appetite, fatigue, and possible jaundice.
techniques such as X-rays
, computed tomography
(CT), and magnetic resonance imaging
(MRI) are often used in evaluating animals with suspected liver tumors. Ultrasound-guided fine-needle aspiration or needle-core biopsy of liver
masses is a useful diagnostic tools that are minimally invasive to obtain samples for histopathological
Surgical treatment is recommended for cats and dogs diagnosed with primary liver tumors but not metastasis
to the liver. There are not many treatment options for animals who have multiple liver lobes affected.