Computed tomography appearances of the lung parenchyma in pulmonary hypertension

Computed tomography (CT) is a valuable tool in the workup of patients under investigation for pulmonary hypertension (PH) and may be the first test to suggest the diagnosis. CT parenchymal lung changes can help to differentiate the aetiology of PH. CT can demonstrate interstitial lung disease, emphy...

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Bibliographic Details
Published in:British journal of radiology 2021-01, Vol.94 (1117), p.20200830-20200830
Main Authors: Foley, Robert W, Kaneria, Nirav, Ross, Rob V MacKenzie, Suntharalingam, Jay, Hudson, Benjamin J, Rodrigues, Jonathan Cl, Robinson, Graham
Format: Article
Language:English
Subjects:
Humans
Hypertension, Pulmonary - diagnostic imaging
Lung - diagnostic imaging
Review
Tomography, X-Ray Computed - methods
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Summary:Computed tomography (CT) is a valuable tool in the workup of patients under investigation for pulmonary hypertension (PH) and may be the first test to suggest the diagnosis. CT parenchymal lung changes can help to differentiate the aetiology of PH. CT can demonstrate interstitial lung disease, emphysema associated with chronic obstructive pulmonary disease, features of left heart failure (including interstitial oedema), and changes secondary to miscellaneous conditions such as sarcoidosis. CT also demonstrates parenchymal changes secondary to chronic thromboembolic disease and venous diseases such as pulmonary venous occlusive disease (PVOD) and pulmonary capillary haemangiomatosis (PCH). It is important for the radiologist to be aware of the various manifestations of PH in the lung, to help facilitate an accurate and timely diagnosis. This pictorial review illustrates the parenchymal lung changes that can be seen in the various conditions causing PH.
ISSN:0007-1285
1748-880X
DOI:10.1259/bjr.20200830