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Review
. 2019 Jan;34(1):56-64.
doi: 10.1097/RTI.0000000000000373.

Proximal Interruption of the Pulmonary Artery

Eric A Williams  1 , Chad Cox  2 , Jonathan H Chung  3 , Rolf A Grage  1 , Carlos A Rojas  1
Affiliations
Review

Proximal Interruption of the Pulmonary Artery

Eric A Williams et al. J Thorac Imaging. 2019 Jan.

Abstract

Proximal interruption of the pulmonary artery (PIPA) is an uncommon developmental anomaly resulting in underdevelopment of the proximal portion of the pulmonary artery with preservation of the intrapulmonary segments. Clinical presentation ranges between an asymptomatic incidental finding to massive hemoptysis. When findings suggestive of PIPA are present radiographically, the diagnosis of PIPA can be definitively diagnosed with computed tomography or magnetic resonance pulmonary angiography. Other imaging modalities, such as nuclear perfusion scan and catheter angiography can help in the diagnosis.

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