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Updated: May 15, 2026

Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS
Published on: November 26, 2018
Idiopathıc pulmonary artery aneurysm.
Gunes Orman1, Tolga Sinan Guvenc, Bahattin Balci
1Radiology Department, Kafkas University Faculty of Medicine, Kars, Turkey. gunesorman@yahoo.com
This case report details a rare instance of idiopathic pulmonary artery aneurysm in a 16-year-old female. Advanced imaging confirmed significant dilation, leading to surgical planning.
Area of Science:
- Cardiology
- Radiology
- Thoracic Surgery
Background:
- Pulmonary artery aneurysms are uncommon thoracic pathologies.
- Idiopathic pulmonary artery aneurysms are exceptionally rare, with limited reported cases.
Observation:
- A 16-year-old female presented with an idiopathic pulmonary artery aneurysm.
- Surface-rendered 3D CT imaging revealed moderate main pulmonary artery dilation and significant right pulmonary artery aneurysmal dilatation.
- A right-sided aortic arch was noted, but no other abnormalities or signs of compression/shunt were present.
Findings:
- The main pulmonary artery measured 38 mm in maximal diameter.
- The right pulmonary artery showed aneurysmal dilatation with diameters ranging from 31 to 34 mm.
- The left pulmonary artery was within normal limits (18.5 mm).
Implications:
- This case highlights the utility of advanced imaging in diagnosing rare vascular conditions.
- The patient's asymptomatic presentation and lack of complications informed the decision for elective aneurysmectomy.
- Understanding the natural history and optimal management of idiopathic pulmonary artery aneurysms remains crucial.
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