are lipomas cancerous
Lipomas in Dogs. Lipomas are benign (noncancerous), freely movable, relatively slow-growing, fat-filled tumors that are quite common in dogs, especially older ones. They are soft, easily manipulated, and located just under your dog’s skin. While they can develop anywhere, they are most commonly found on your dog’s undercarriage, in the chest or abdomen. Who gets lipomas? Lipomas can occur in people of all ages, however, they tend to develop in adulthood and are most noticeable during middle age. They affect both sexes equally, although solitary lipomas are more common in women whilst multiple lipomas occur more frequently in men. Lipomas are soft, fatty lumps that grow under the skin. They're harmless and can usually be left alone if they're small and painless. Lipomas are non-cancerous (benign) and are caused by an overgrowth of fat cells. They can grow anywhere in the body where there are fat cells, but are usually seen on the: shoulders. neck. chest. arms. back. buttock. Common Causes of Fatty Tumors. The causes of lipomas, also called benign fatty tumors, vary based on the age and health condition of each patient. They are not cancerous, but they can cause discomfort and other symptoms if they grow large enough to compress nerves or interrupt other body functions. A lipoma is a benign tumor composed of adipose tissue (body fat). It is the most common benign form of soft tissue tumor. Lipomas are soft to the touch, usually movable, and are generally painless. Many lipomas are small (under one centimeter diameter) but can enlarge to sizes greater than six centimeters. A lipoma is a non-cancerous tumour that is made up of fat cells. It slowly grows under the skin in the subcutaneous tissue. A person may have a single lipoma or may have many lipomas. They are very common. Key characteristics in distinguishing a lipoma from precancerous or cancerous tumors are size. Lipomas are often small (measuring from .4 to 1.2 inches) and mobile; if the lump moves on palpation, chances are it is merely a fatty tumor. In fact, most physicians can make the diagnosis based on appearance alone. The discovery of lipomas — benign tumors that develop in adipose tissue — will invariably raise a red flag for cancer, but the good news is that these relatively uncommon soft tissue growths are almost always harmless. They are typically found on the arms, neck, and thighs. While most lipomas are found under the skin, they may be found in muscles and near organs inside the body such as the brain, the heart, or the spine. Lipomas can be diagnosed by your doctor feeling the fatty tumor. Tumors are any growth. They can be benign or malignant. By definition a lipoma ia a benign tumor of fat cells. The malignant counterpart of a lipoma is the liposarcoma. I am not sure what you mean by  can a cancer cause lipomas.
No, lipomas are not cancerous.