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Tumors 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.
Lymphoma is one of the most common malignant tumors to occur in dogs. [citation needed] The cause is genetic, but there are also suspected environmental factors involved, [1] including in one study an increased risk with the use of the herbicide 2,4-D. [2] This risk was not confirmed in another study. [3]
Here it can cause right-sided heart failure, arrhythmias, pericardial effusion, and cardiac tamponade. Hemangiosarcoma of the spleen or liver is the most common tumor to cause hemorrhage in the abdomen. [4] Hemorrhage secondary to splenic and hepatic tumors can also cause ventricular arrhythmias.
Hepatic microvascular dysplasia (HMD or MVD) or portal atresia is a disorder where mixing of venous blood and arterial blood in the liver occurs at the microscopic level. It occurs most commonly in certain dog breeds such as the Cairn and Yorkshire terriers although any dog breed may be at risk. [1] [2] [3] This disease may also be found in cats.
Canine mastadenovirus A also causes disease in wolves, coyotes, and bears, and encephalitis in foxes. [1] The virus is spread in the feces, urine, blood, saliva, and nasal discharge of infected dogs. It is contracted through the mouth or nose, where it replicates in the tonsils. The virus then infects the liver and kidneys.
Shunting the issue - Liver shunts in dogs. This article will discuss what exactly a liver shunt is, how to recognize the signs of a liver shunt, what treatment options are available, and how to ...
Liver tumors can be classified as benign (non-cancerous) or malignant (cancerous) growths. They may be discovered on medical imaging (even for a different reason than the cancer itself), and the diagnosis is often confirmed with liver biopsy. [2] Signs and symptoms of liver masses vary from being asymptomatic to patients presenting with an ...
A liver metastasis is a malignant tumor in the liver that has spread from another organ that is affected by cancer. The liver is a common site for metastatic disease because of its rich, dual blood supply (the liver receives blood via the hepatic artery and portal vein). Metastatic tumors in the liver are 20 times more common than primary liver ...