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Artificial Pneumothorax With Position Adjustment for Computed Tomography-Guided Percutaneous Core Biopsy of Mediastinum Lesions  Zheng-Yu Lin, MD, Yin-Guan.

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Presentation on theme: "Artificial Pneumothorax With Position Adjustment for Computed Tomography-Guided Percutaneous Core Biopsy of Mediastinum Lesions  Zheng-Yu Lin, MD, Yin-Guan."— Presentation transcript:

1 Artificial Pneumothorax With Position Adjustment for Computed Tomography-Guided Percutaneous Core Biopsy of Mediastinum Lesions  Zheng-Yu Lin, MD, Yin-Guan Li, MD  The Annals of Thoracic Surgery  Volume 87, Issue 3, Pages (March 2009) DOI: /j.athoracsur Copyright © 2009 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Axial computed tomographic images from a 36-year-old man with an anterior mediastinal thymoma. (a) Mass in the anterior mediastinum (white arrow). (b) Passage of a 22-gauge pediatric lumbar puncture needle (black arrow) through the parietal pleura into the right pleural space. (c) A very small pneumothorax (black arrow) produced by injection of 20 mL of air. (d) The mass remained covered by aerated lung after injection of 400 mL of air with the patient in his original position. (e) After the patient's position was adjusted, the lung was displaced from the target lesion site, enabling a core biopsy needle to avoid the aerated lung and gain access to the lesion. (f) Most of the air was aspirated from the pleural space after collection of the biopsy sample, leaving a small residual right pneumothorax (white arrows). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2009 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Axial computed tomographic images from a 72-year-old man with an adenocarcinoma in the aortopulmonary window. (a) Mass in the aortopulmonary window. (b) After introduction of 1,000 mL of air, the mass was still covered by the aerated lung. (c) After the patient was adjusted to the lateral decubitus position, the aerated lung was displaced from the path of the biopsy needle and the needle (arrow) was placed anterior to the mass. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2009 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Axial computed tomographic images from a 56-year-old man with right paratracheal tuberculosis. (a) A mass with irregular necrosis (white arrow) in the right paratracheal region. (b, c) After introduction of 500 mL of air into the right pleural space, the aerated lung was displaced from the path of the biopsy needle and the needle (white arrow) was placed in the mass. (d) A small, residual right pneumothorax and subcutaneous emphysema of right chest wall (black arrow) after most of the air was aspirated from the pleural space after collection of the biopsy. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2009 The Society of Thoracic Surgeons Terms and Conditions

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