BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuSolitary fibrous tumorMesothelioma - benign; Mesothelioma - fibrous; Pleural fibroma Solitary fibrous tumor (SFT) is a noncancerous tumor of the lining of the lung and chest cavity, an area called the pleura. SFT used to be called localized fibrous mesothelioma.TumorA tumor is an abnormal growth of body tissue. Tumors can be cancerous (malignant) or noncancerous (benign).Read Article Now Book Mark Article Causes The exact cause of SFT remains unknown. This type of tumor affects men and women equally. Symptoms About one half of the people with this type of tumor do not show any symptoms.If the tumor grows to a large size and pushes on the lung, it can lead to symptoms, such as:Chest pain Chest painChest pain is discomfort or pain that you feel anywhere along the front of your body between your neck and upper abdomen.ImageRead Article Now Book Mark Article Chronic cough Shortness of breath Clubbed appearance of the fingersClubbed appearance of the fingersClubbing is changes in the areas under and around the toenails and fingernails that occur with some disorders. The nails also show changes.ImageRead Article Now Book Mark Article Exams and Tests SFT is usually found by accident when a chest x-ray is done for other reasons. If the health care provider suspects SFT, tests will be ordered. These may include:Chest x-rayA chest x-ray is an x-ray of the chest, lungs, heart, large arteries, ribs, and diaphragm.ImageRead Article Now Book Mark Article CT scan of the chest CT scan of the chestA chest CT (computed tomography) scan is an imaging method that uses x-rays to create cross-sectional pictures of the chest and upper abdomen....ImageRead Article Now Book Mark Article Open lung biopsyOpen lung biopsyAn open lung biopsy is surgery to remove a small piece of tissue from the lung. The sample is then examined for cancer, infection, or lung disease....ImageRead Article Now Book Mark Article The diagnosis of SFT is difficult compared with the cancerous type of this disease, called malignant mesothelioma, which is caused by exposure to asbestos. SFT is not caused by asbestos exposure.Malignant mesotheliomaMalignant mesothelioma is an uncommon cancerous tumor. It mainly affects the lining of the lung and chest cavity (pleura) or lining of the abdomen (...ImageRead Article Now Book Mark Article Treatment Treatment is usually to remove the tumor. Outlook (Prognosis) The outcome is expected to be good with prompt treatment. In rare cases, the tumor may return. Possible Complications Fluid escaping into the membranes around the lungs (pleural effusion) is a complication.Pleural effusionA pleural effusion is a buildup of fluid between the layers of tissue that line the lungs and chest cavity.ImageRead Article Now Book Mark Article When to Contact a Medical Professional Contact your provider for an appointment if you notice symptoms of SFT.Open ReferencesReferencesKaidar-Person O, Zagar T, Haithcock BE, Weiss, J. Diseases of the pleura and mediastinum. In: Niederhuber JE, Armitage JO, Kastan MB, Doroshow JH, Tepper JE, eds. Abeloff's Clinical Oncology. 6th ed. Philadelphia, PA: Elsevier; 2020:chap 70.Myers JL, Arenberg DA. Benign lung tumors. In: Broaddus VC, Mason RJ, Ernst JD, et al, eds. Murray and Nadel's Textbook of Respiratory Medicine. 6th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 56.AllVideoImagesTogRespiratory system - illustration Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.Respiratory systemillustrationRespiratory system - illustration Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.Respiratory systemillustrationRelated Information Tumor(Condition)Breathing difficulty(Symptoms)Pleural effusion(Condition) Review Date: 8/3/2020 Reviewed By: Denis Hadjiliadis, MD, MHS, Paul F. Harron, Jr. Associate Professor of Medicine, Pulmonary, Allergy, and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- © 1997- All rights reserved. A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.Content is best viewed in IE9 or above, Firefox and Google Chrome browser.