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Alternative Names Return to topMesothelioma - benign; Mesothelioma - fibrous; Localized fibrous tumor of the pleura; Pleural fibroma
Definition Return to top
Benign mesothelioma is a noncancerous tumor of the lining of the lung and chest cavity, an area called the pleura.
See also: Malignant mesothelioma
Causes Return to top
Nonmalignant mesothelioma affects men more frequently than women.
Symptoms Return to top
Approximately half of persons with this disease are asymptomatic, which means they do not show any symptoms.
If the tumor grows to a large size and pushes on the lung, it can lead to shortness of breath.
Other symptoms include:
Exams and Tests Return to top
During a physical examination, the health care provider may notice a clubbed appearance of the fingers. The tumor is usually found by accident when a chest x-ray is done for other reasons.
Other tests that may show benign mesothelioma include:
Treatment Return to top
Treatment is usually needed to remove the tumor.
Outlook (Prognosis) Return to top
The outcome is expected to be good with prompt treatment. The condition may return in about 1 out of 10 cases. It may reoccur as long as 10 years later.
Possible Complications Return to top
Pleural effusion (fluid escaping into the membranes around the lungs) is a complication.
When to Contact a Medical Professional Return to top
Call for an appointment with your health care provider if you notice symptoms of mesothelioma.
References Return to top
Vinod S, Mehetri G, Hegde KK. Benign fibrous mesothelioma. Radiology. 2006; 16(3):293-294.
Mason RJ, Murray J, VC Broaddus, Nadel J. Textbook of Respiratory Medicine. 3rd ed. Philadelphia, Pa: WB Saunders; 2005:2002.
Grainger RC, Allison D, Adam, Dixon AK. Diagnostic Radiology: A Textbook of Medical Imaging. 4th ed. Orlando, Fl: Churchill Livingstone; 2001:339-341.Update Date: 8/29/2008 Updated by: Sean O. Stitham, MD, private practice in Internal Medicine, Seattle, Washington; and Benjamin Medoff, MD, Assistant Professor of Medicine, Harvard Medical School, Pulmonary and Critical Care Unit, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.