Mesothelioma

Author: U.S. National Library of Medicine

Definition

Benign mesothelioma is a noncancerous tumor

of the pleura (lining of the lung and chest cavity).

Causes, incidence, and risk factors

Nonmalignant mesothelioma is usually a localized

tumor that affects men more frequently than women. The tumor may grow to a large

size and compress the lung, causing the symptoms of shortness of breath.

Symptoms

• chronic

  cough

• shortness of breath

• chest pain

Signs and tests

During a physical examination, the health care provider may notice a clubbed appearance of the fingers.

Tests that may show mesothelioma include the following:

• Chest X-ray

• CT scan of the chest

• Open lung biopsy

Treatment

Surgery is usually necessary for a solitary tumor.

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