1. Pulmonary Artery Pseudoaneurysm After Tube Thoracostomy
Francis J. Podbielski, MD, Irvin M. Wiesman, MD, Babak Yaghmai, MD, Charles A. Owens, MD, Enrico Benedetti, MD, Malek G. Massad, MD 
The Annals of Thoracic Surgery 
Volume 64, Issue 5, Pages (November 1997)
DOI: /S (97)
Copyright © 1997 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
(A) Chest radiograph obtained after chest tube removal shows an area of lingular opacification at the tube insertion site. (B) A follow-up chest film obtained 9 weeks after embolotherapy shows a marked decrease in the area of parenchymal opacification.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )
Copyright © 1997 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Computed tomogram of the chest with intravenous contrast showing a parenchymal hematoma and blood flow within the pseudoaneurysm.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )
Copyright © 1997 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
Color Doppler flow study demonstrates bidirectional blood flow and the yin-yang sign of a pseudoaneurysm.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )
Copyright © 1997 The Society of Thoracic Surgeons Terms and Conditions

5. Fig 4
Pulmonary angiogram demonstrates an intraparenchymal pseudoaneurysm. Note the neck of the aneurysm arising from a lingular lobe segmental branch.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )
Copyright © 1997 The Society of Thoracic Surgeons Terms and Conditions