Is ground-glass opacity in the lungs the same as white lung?
Apr 16, 2023
Source: Cainiu Health
Dr. Guo Xiheng
Introduction
Ground-glass opacities in the lungs are generally considered "white lung" when they present as one or more patchy areas of increased white density within a lobe, occupying 70% to 80% of the area, accompanied by symptoms such as persistent cough, sputum production, dyspnea, and hypoxia. If no high-density white areas are found in the lungs, or if the affected area is small and associated only with mild symptoms like slight cough and sputum, it is generally not considered "white lung."
Whether ground-glass opacity in the lungs is considered "white lung" generally requires evaluation in combination with other features. The specific analysis is as follows:
1. Yes
Ground-glass opacity in the lungs is a relatively common pathological finding observed on imaging studies, possibly caused by factors such as infection or lung cancer. If it appears as one or more patchy areas of increased white density within the lung lobe, covering 70%–80% of the area, and is accompanied by symptoms such as persistent cough, sputum production, difficulty breathing, and hypoxia, it is generally considered "white lung."
2. No
If the above conditions are present but no large white high-density areas are found in the lungs—instead showing black regions or only small areas of increased white density—and symptoms are limited to mild cough and sputum production, it is generally not considered "white lung."
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