Ground glass

Ground Glass is a term used in medical imaging to describe a certain appearance seen in computed tomography (CT) scans. The term is derived from the resemblance of the image to the frosted or etched appearance of ground glass.

Definition[edit | edit source]

The term "ground glass" is used to describe a feature of computed tomography (CT) scans where parts of the lung appear hazy, but without obscuring the underlying structures. This is in contrast to consolidation, where the lung architecture is completely obscured.

Causes[edit | edit source]

Ground glass opacities can be caused by a wide range of conditions, including:

Infections, such as pneumonia
Inflammatory conditions, such as sarcoidosis or pulmonary fibrosis
Neoplastic conditions, such as adenocarcinoma of the lung
Pulmonary edema, often due to heart failure
Pulmonary hemorrhage

Diagnosis[edit | edit source]

The diagnosis of ground glass opacities is typically made by a radiologist reviewing a CT scan of the chest. The radiologist will look for areas of the lung that appear hazy, but where the underlying structures can still be seen.

Treatment[edit | edit source]

The treatment of ground glass opacities depends on the underlying cause. For example, if the cause is an infection, then antibiotics may be used. If the cause is a neoplastic condition, then chemotherapy, radiation therapy, or surgery may be required.

See also[edit | edit source]

Ground glass Resources
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