Solitary Pulmonary Nodule

[contentuser]

Types


One of the most important goals in diagnosing SPNs is establishing whether the nodule is benign (noncancerous) or malignant (cancerous). About 60% are benign, and most of these are a type of lesion known as a granuloma (an inflammatory, immune system reaction). There are many granulomatous disorders, including tuberculosis and other infectious diseases. The other 40% of SPNs are malignant, three-quarters of which are primary lung cancers, and one-quarter of which are metastases f...Read the full article