Ground-Glass Opacity
Ground-glass opacity is a chest imaging term for a hazy area in the lung that does not fully hide the underlying structures.
When to get help quickly: Urgency depends on the cause. If this pattern appears in someone who is acutely short of breath, feverish, or getting worse quickly, prompt assessment is important.
Common symptoms
Ground-glass opacity is an imaging description rather than a disease itself, so symptoms depend on the cause and may include cough, fever, breathlessness, or no symptoms at all.
When imaging helps
Chest CT is especially helpful because it can show this subtle hazy pattern and help doctors judge whether infection, inflammation, edema, bleeding, or another lung problem is more likely.
What radiology does
CT is especially helpful in identifying and characterizing this pattern, which can be seen in infection, inflammation, edema, or other lung disease.
What usually happens next
Its significance depends on the clinical context and may lead to treatment, repeat imaging, or specialist pulmonary review.
Seen this on your report?
Your doctor or the radiologist who wrote it can tell you what it means for you.