Chronic pulmonary embolism

Last revised by Mina Sameh Rizk on 28 Oct 2024

Chronic pulmonary emboli are mainly a consequence of incomplete resolution of pulmonary thromboembolism.

Some publications suggest that V/Q scanning may be more sensitive 6,9 but less specific 9 than CTPA in detecting chronic pulmonary embolic burden.

Increased vascular resistance due to obstruction of the vascular bed leads to pulmonary hypertension.

Differential considerations on a CTPA include 5:

Cases and figures

  • Case 1
  • Case 2
  • Case 3
  • Case 4: with collateral vessels
  • Case 5
  • Case 6
  • Case 7: with bubbly consolidation
  • Case 8: with mosaic perfusion

Imaging differential diagnosis

  • Pulmonary angiosarcoma
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