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Chronic pulmonary embolism

Last revised by Dr Mostafa El-Feky on 19 Jul 2021

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:

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Cases and figures

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