• Yuka Okajima, Yoshiharu Ohno, George R Washko, and Hiroto Hatabu.
• Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. yokajima@bics.bwh.harvard.edu
• Acad Radiol. 2011 Apr 1; 18 (4): 437-53.

Rationales And ObjectivesPulmonary hypertension (PH) is a life-threatening condition, characterized by elevated pulmonary arterial pressure, which is confirmed based on invasive right heart catheterization (RHC). Noninvasive examinations may support diagnosis of PH before proceeding to RHC and play an important role in management and treatment of the disease. Although echocardiography is considered a standard tool in diagnosis, recent advances have made computed tomography (CT) and magnetic resonance (MR) imaging promising tools, which may provide morphologic and functional information. In this article, we review image-based assessment of PH with a focus on CT and MR imaging.ConclusionsCT may provide useful morphologic information for depicting PH and seeking for underlying diseases. With the accumulated technological advancement, CT and MRI may provide practical tools for not only morphologic but also functional assessment of patients with PH.Copyright © 2011 AUR. Published by Elsevier Inc. All rights reserved.

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