A solitary pulmonary nodule (SPN) is a single abnormality in the lung that could be harmless or could be an early sign of cancer. Find out more from WebMD about causes, diagnosis, and treatment of ...

Nodules are found on up to half of all lung CT scans. When a pulmonary nodule is cancerous, the spot or growth is usually larger than 3 cm or has other characteristics like an irregular shape.

A lung CT scan is a simple procedure that can identify nodules in your lungs. A small, suspicious nodule might only require additional follow-up screening. A larger nodule of concern might require ...

Lung nodules are very common and are estimated to occur in 2% to 24% of the general population. Doctors often discover them on chest X-rays or CT scans for unrelated conditions.

Lung nodules (pulmonary nodules) ... (CT) scan. In fact, a nodule shows up on about one in every 500 chest X-rays. Normal lung tissue surrounds this small round or oval solid overgrowth of tissue.

Calcification within a nodule suggests that it is a benign lesion. Patterns of calcification are more easily observed on CT scans than on plain-film radiographs. 9 With CT considered the reference ...

Features of Resolving and Nonresolving Indeterminate Pulmonary Nodules at Follow-up CT: The NELSON Study Zhao YR, Heuvelmans MA, Dorrius MD, et al Radiology. 2014;270:872-879 ...

CT scans used for screening lung cancer in high-risk patients sometimes detect the presence of small lung nodules. However, these nodules may not always mean cancer, and have to be investigated ...

MacMahon, H, Austin, J, Gamsu, G, et al. Guidelines for management of small pulmonary nodules detected on CT scans: a statement from the Fleischner Society. Radiology 2005;237:395-400.

Most lung nodules benefit from a “wait and watch” approach, according to Dr. Oh. Routine monitoring with CT scans can check for growth and other changes that might indicate the nodule is ...

Most lung nodules benefit from a "wait and watch" approach, according to Dr. Oh. Routine monitoring with CT scans can check for growth and other changes that might indicate the nodule is cancerous.