Oncology in pet rats: what owners need to know.

The most common types of tumors in rats are Mammary glands: This is perhaps the most common localization of tumors in female rats. Most often these are adenomas or adenocarcinomas. Pituitary gland: Tumors of the pituitary gland can cause hormonal disorders and neurological symptoms. Lungs: Lung cancer can develop as primary or as a metastasis from other organs. Liver: Liver tumors are also found in rats. Lymphatic system: Lymphomas can affect the lymph nodes and other organs. Skin: Benign and malignant skin tumors can also occur.

Causes of cancer in rats: The exact causes of cancer in rats, as in many other animal species, are not always clear. However, there are factors that can increase the risk: Genetic predisposition: Some lines of rats may be more prone to developing certain types of tumors. Age: The risk of developing cancer increases with age. Hormonal factors: Female rats that have not been sterilized have a higher risk of developing breast tumors. Environmental factors: Although a direct link is not always proven, some studies suggest the influence of certain chemicals or conditions of detention. Viral infections: In some cases, viral infections may play a role in the development of cancer.