Diffuse pulmonary hemorrhage

Diffuse pulmonary hemorrhage (DPH) is a subtype of pulmonary hemorrhage where bleeding into the lung is diffuse. If the bleeding is into the alveolar spaces this can be further subclassified as diffuse alveolar hemorrhage (DAH).

While the exact presentation can vary is has been classically associated with dyspnea in the setting of hemoptysis +/- an iron deficiency anemia 7.

While chest radiographic appearances are nonspecific, there may be evidence of bilateral air-space consolidation with relative apical sparing 7.

May show areas of widespread ground glass opacification +/- crazy paving pattern 8 +/- areas of consolidation. In the subacute phase HRCT may show fine diffuse nodular densities 9-10. In later stage there may also be evidence of interlobular septal thickening due to intralymphatic accumulation of hemosiderin.

For radiographic (plain radiograph and CT) in the acute phase of DPH appearances consider:

For HRCT appearances in the subacute phase (i.e. fine nodules) consider:

Share article

Article information

rID: 17117
System: Chest
Section: Gamuts
Synonyms or Alternate Spellings:
  • Diffuse pulmonary hemorrhage
  • Diffuse lung haemorrhage
  • Diffuse lung hemorrhage
  • Diffuse pulmonary haemorrhage (DPH)
  • Diffuse intrapulmonary haemorrhage
  • DPH

Support Radiopaedia and see fewer ads

Cases and figures

  • Case 1: Goodpasture syndrome
    Drag here to reorder.
  • Case 2
    Drag here to reorder.
  • Case 3
    Drag here to reorder.
  • Case 4
    Drag here to reorder.
  • Case 5: in a child 
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.