Pulmonary nodules are tiny growths that are generally round or oval shaped, found in the lungs. Also known as spots in the lungs or coin lesions, they are generally not bigger than 3cm in diameter. Pulmonary nodules have been classified into two types- malignant nodules and benign nodules. These nodules are a result of inflammation or infection in the lungs. Other cause include rheumatoid arthritis, Wegener’s granulomatosis and sarcoidosis. If the nodule is cancerous it may cause coughing up of blood. Nodules in the lungs can only be detected through an X-ray, PET scans, a biopsy or a CT scan.
HOW IS PULMONARY NODULES DIAGNOSED?
About 90% of pulmonary nodules that measure less than 2 cm are benign