Pulmonary hemosiderosis

Pulmonary hemosiderosis (PH) refers to iron deposition within the lung. It can be divided into two main types:

Although the term “siderosis” strictly just means any deposition of surplus iron in the body, when used as a stand-alone term it usually refers to pulmonary siderosis. 

It is usually characterized by:

  • small, ill-defined pulmonary nodules or 
  • coarse reticular areas of increased opacity with a bias for the middle and lower lung regions 
  • pulmonary ossification (especially when related to mitral stenosis): manifests as dense 1-5 mm nodules, mainly in the middle and lower lungs, with a tendency for confluence and the occasional presence of trabeculae

Article information

rID: 11139
System: Chest
Synonyms or Alternate Spellings:
  • Siderosis
  • Pulmonary hemosiderosis
  • Pulmonary siderosis
  • Lung haemosiderosis
  • Hemosiderosis of lung
  • Lung hemosiderosis

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Cases and figures

  • Idiopathic pulmonary hemosiderosis
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