Multimodality imaging of pulmonary infarction.

Abstract:

:The impact of absent pulmonary arterial and venous flow on the pulmonary parenchyma depends on a host of factors. These include location of the occlusive insult, the speed at which the occlusion develops and the ability of the normal dual arterial supply to compensate through increased bronchial arterial flow. Pulmonary infarction occurs when oxygenation is cut off secondary to sudden occlusion with lack of recruitment of the dual supply arterial system. Thromboembolic disease is the commonest cause of such an insult but a whole range of disease processes intrinsic and extrinsic to the pulmonary arterial and venous lumen may also result in infarcts. Recognition of the presence of infarction can be challenging as imaging manifestations often differ from the classically described wedge shaped defect and a number of weighty causes need consideration. This review highlights aetiologies and imaging appearances of pulmonary infarction, utilising cases to illustrate the essential role of a multimodality imaging approach in order to arrive at the appropriate diagnosis.

journal_name

Eur J Radiol

authors

Bray TJP,Mortensen KH,Gopalan D

doi

10.1016/j.ejrad.2014.07.016

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

2240-2254

issue

12

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(14)00368-4

journal_volume

83

pub_type

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