What is Needle Biopsy of the Lung?

A lung nodule is a relatively round lesion, or area of abnormal tissue located within the lung. Lung nodules are most often detected on a chest 

A lung nodule is a relatively round lesion, or area of abnormal tissue located within the lung. Lung nodules are most often detected on a chest x-ray and do not typically cause pain or other symptoms.

Nodules or abnormalities in the body are often detected by imaging examinations. However, it is not always possible to tell from these imaging tests whether a nodule is benign (non-cancerous) or cancerous.

A needle biopsy, also called a needle aspiration, involves removing some cells—in a less invasive procedure involving a hollow needle—from a suspicious area within the body and examining them under a microscope to determine a diagnosis.

In a needle biopsy of lung nodules, imaging techniques such as computed tomography (CT), fluoroscopy, and sometimes ultrasound or MRI are often used to help guide the interventional radiologist's instruments to the site of the abnormal growth.

In a pleural biopsy, the pleural membrane, the layer of tissue that lines the pleural space between the lungs and the chest wall, is sampled.

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