Hyperdense pulmonary nodules

Hyperdense pulmonary nodules are a subset of pulmonary nodules that have relatively increased attenuation, usually caused by calcification within the nodule. Here, we broadly refer to a nodule as a pulmonary opacity <30 mm.

Differential diagnosis

  1. calcified pulmonary nodules are a specific group of hyperdense nodules and finding calcification in a nodule significantly narrows the differential.
  2. non-calcified hyperdense pulmonary nodules are predominantly the result of inhalational exposure to substances, although embolization of material may cause dense nodular opacification within the lung.

See also

Article information

rID: 6540
System: Chest
Section: Gamuts
Synonyms or Alternate Spellings:
  • Hyperattenuating pulmonary nodules
  • Small dense calcified pulmonary nodules
  • Diffuse hyperdense small pulmonary nodules
  • Multiple hyperdense small pulmonary nodules
  • Multiple small hyperdense pulmonary nodules
  • Hyperdense pulmonary nodules - small and multiple
  • Small hyperdense pulmonary nodules

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Cases and figures

  • Case 1: varicella
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  • Case 2: alveolar microlithiasis
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  • Case 3: presumed to be granulomata
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  • Case 4: tuberculous granulomas
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  • Case 5: silicosis
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