Renal angiolipoma is a noncancerous tumor that can cause kidney function loss and life-threatening complications if ruptured. It is commonly caused by tuberous sclerosis and treated with embolization or surgery. Symptoms include pain and blood in urine.
A renal angiolipoma is a type of noncancerous tumor that can develop in one or both kidneys, usually due to a medical condition known as tuberous sclerosis. If the mass becomes large enough, it can cause a loss of kidney function, and a rupture of the tumor could lead to life-threatening complications if not treated promptly. The standard treatment for a renal angiolipoma that has grown large enough to cause problems is a medical procedure called an embolization. Any questions or concerns regarding a renal angiolipoma or the most appropriate treatment measures for an individual situation should be discussed with a doctor or other medical professional.
The most common type of benign tumor of the kidney is renal angiolipoma. This mass is typically made up of a combination of smooth muscle cells, fat cells, and blood vessels. This condition is thought to be caused by mutations in genes responsible for cell proliferation and growth. While these tumors can appear on the kidneys of those with no additional health problems, they are most frequently found among those with tuberous sclerosis, a genetic disorder that causes benign tumors to grow in various organs of the body.
In many cases, a renal angiolipoma causes no obvious symptoms, especially if the tumor is small. As the mass grows, pain may develop in the kidneys and the patient may begin to notice occasional blood in the urine. Kidney function may be impaired, sometimes resulting in the need for dialysis. Rupture of a renal angiolipoma is a medical emergency, and symptoms often involve sudden and severe kidney or abdominal pain, fever, and vomiting. Internal bleeding from the rupture can be life-threatening if not treated right away.
A small renal angiolipoma may not require any specific medical treatment, although the patient is usually monitored for possible signs of developing complications. Larger tumors are usually treated with a nonsurgical medical procedure known as an embolization. This procedure involves using a catheter and other small tools to block blood flow to the tumor in an attempt to shrink the mass. In more complicated situations, surgery to remove all or part of the tumor may be necessary. The doctor will discuss individualized treatment options with the patient as well as the potential risks associated with the procedure, such as the possibility of organ or nerve damage as a result of the procedure.
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