Cheerio sign (pulmonary nodule)

Last revised by Mostafa El-Feky on 24 Sep 2023

Cheerio sign in thoracic imaging relates to pulmonary nodules with a central lucent cavity supplied by a patent bronchus as seen on CT 3. It is due to proliferation of (malignant or non-malignant) cells around an airway. They are so named because of their resemblance to the breakfast cereal, Cheerios 1-3

The Cheerio sign (pulmonary nodule) may be due to 2

Cavitating lung nodules are a differential diagnosis for the Cheerio sign 2

See also 

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Cases and figures

  • Figure 1: photograph - cheerios
    Drag here to reorder.
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