Are Liver Lesions Usually Benign?

What is a lesion in medical terms?

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(LEE-zhun) An area of abnormal tissue.

A lesion may be benign (not cancer) or malignant (cancer)..

What does indeterminate liver lesion mean?

• Indeterminate: Larger than 1 cm incidental liver lesion whose US, CT, or MRI imaging appearance is indeterminate. This may occur in a patient with a background of normal liver, chronic liver disease, or known extrahepatic primary malignancy.

Is a lesion on the liver serious?

Liver lesions are groups of abnormal cells in your liver. Your doctor may call them a mass or a tumor. Noncancerous, or benign, liver lesions are common. They don’t spread to other areas of your body and don’t usually cause any health issues.

Can a tumor in the liver be removed?

Surgery. Surgery is the removal of the tumor and some surrounding healthy tissue during an operation. It is likely to be the most successful disease-directed treatment, particularly for patients with good liver function and tumors that can be safely removed from a limited portion of the liver.

How common are benign liver cysts?

Benign (non-cancerous) liver cysts are fluid-filled sacs in the liver. They can be only a few millimeters in size or very large. Why does it happen? Simple liver cysts are very common occurring in approximately 2-7% of the population.

Do benign liver lesions cause pain?

Most benign liver tumors do not have symptoms. Symptoms usually do not develop until the mass is so big that it pushes on other organs. When this happens, it can cause upper abdominal pain, particularly on the right side.

What causes liver mass?

DNA mutations cause changes in these instructions. One result is that cells may begin to grow out of control and eventually form a tumor — a mass of cancerous cells. Sometimes the cause of liver cancer is known, such as with chronic hepatitis infections.

Can liver lesions cause bloating?

Symptoms: Large liver cysts can cause abdominal bloating and pain due to stretching of the liver capsule. This pain is dull, constant, and usually located in the right upper or mid upper abdomen. Sometimes, cysts may bleed into themselves.

What percentage of liver lesions are benign?

Benign liver lesions are found in more than 20% of the general population. They make up the majority of all liver lesions in the United States and can usually be left untreated.

Can multiple liver lesions be benign?

Multiple liver lesions of a benign nature such as hemangiomas or focal nodular hyperplasia are not uncommon in a normal liver.

Do benign liver tumors need to be removed?

Usually these benign tumors produce no symptoms and do not need to be treated. When symptoms do occur, it is often caused by the size of the tumor and/ or proximity to other organs. In these instances, surgical intervention may be indicated.

How do you test for liver lesions?

Malignant Hepatic (Liver) Lesions: Diagnosis and TestsBlood tests: Several blood tests can be done to check for liver problems. … Ultrasound test: This test uses echoes to create an image of your liver and other organs in the abdomen.Computed tomography (CT) scans or a magnetic resonance imaging (MRI) scan: These scans allow your physician to look inside your body.More items…•

Can liver hemangiomas be misdiagnosed?

While hemangioma liver lesions themselves do not pose a threat, they do present a diagnostic challenge. Hemangiomas share similar characteristics to other liver lesions, and are commonly mistaken for malignant hyper vascular tumors of the liver, such as hepatoma (hepatocellular carcinoma) and fibrolamellar carcinoma.

What does it mean if you have a lesion on your liver?

Malignant hepatic (liver) lesions are cancerous growths in the liver. People at a higher risk for liver cancer can include those with cirrhosis, infection with hepatitis B virus or hepatitis C virus, heavy alcohol use, obesity and diabetes.

How do you know if a liver tumor is benign?

Noncancerous (benign) tumors are quite common and usually do not produce symptoms. Often, they are not diagnosed until an ultrasound, computed tomography scan, or magnetic resonance imaging scan is performed. There are several types of benign liver tumors, including the following: Hepatocellular adenoma.

How often are liver lesions benign?

Benign tumors are significantly less dangerous than malignant tumors. Benign tumors by themselves are not life threatening. Hemangiomas, the most common type of benign liver tumors occur in 1 to 5% of adults.

Do benign liver tumors grow?

Benign Tumors can sometimes grow large enough to cause problems, but most of the time they do not go into nearby tissues or spread to distant parts of the body. If they need to be treated, they can usually be cured by removing them during surgery.

Can liver nodules disappear?

With a lesion based analysis, the incidence of disappearing lesions ranges from 11%12 to 36%7 of initially detected liver metastases. With a patient based analysis, disappearing lesions have been shown to occur in 6%7–23%13 of patients treated for colorectal metastatic disease.