Introduction to Lung Nodules
A lung nodule refers to a growth or lesion in the lungs that is smaller than 3 centimeters. Lung nodules may be discovered incidentally or show up on imaging tests for other respiratory conditions. They can be benign or represent an early stage of lung cancer.
Types of Lung Nodules
Lung nodules are typically classified into solid nodules or subsolid/non-solid nodules based on their appearance on CT and X-ray scans.
Solid vs. Subsolid Differences
Solid lung nodules appear as round, distinct opacities on scans. Subsolid nodules have hazy borders and varying densities inside them.
Characteristics of Solid Lung Nodules
Paragraph on typical features of solid nodules like shape, borders, density, and common causes (e.g. cancer or infection).
Diagnosing Solid Lung Nodules
Paragraph on diagnostic tests for solid lung nodules.
Characteristics of Non-Solid/Subsolid Lung Nodules
Paragraph on typical features of subsolid nodules like cloudy appearance, underlying scar tissue, association with certain lung conditions.
Diagnosing Subsolid Lung Nodules
Paragraph on workup for subsolid nodules.
Comparing Management & Prognosis
Paragraph on how treatment and outlook differs between solid and subsolid lung nodules based on their likelihood of being cancer.
When to Seek Medical Care
Overview on symptoms and scan findings that warrant a clinical evaluation for lung nodules.
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