Ground-glass density nodule

Last revised by Dr Yuranga Weerakkody on 23 Sep 2022

A ground-glass density nodule (GGN) is a circumscribed area of increased pulmonary attenuation with preservation of the bronchial and vascular margins.

A ground-glass density may be:

Although encountered regularly, the incidence of cancer in these nodules has been reported as high as 63% (for partly solid nodules, in one study). Histologically these may represent:

See also

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Cases and figures

  • Case 1: minimally invasive adenocarcinoma of the lung
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  • Case 2
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