Two Cases of Lower Lobe Pneumatoceles Following Upper Lobectomy.

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  • Additional Information
    • Source:
      Publisher: Elsevier Country of Publication: Netherlands NLM ID: 15030100R Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1552-6259 (Electronic) Linking ISSN: 00034975 NLM ISO Abbreviation: Ann Thorac Surg Subsets: MEDLINE
    • Publication Information:
      Publication: Amsterdam : Elsevier
      Original Publication: Boston.
    • Subject Terms:
      Cysts/*etiology ; Lung Diseases/*etiology ; Pneumonectomy/*adverse effects ; Postoperative Complications/*etiology; Cysts/pathology ; Humans ; Lung Diseases/pathology ; Male ; Middle Aged ; Pneumonectomy/methods ; Postoperative Complications/pathology
    • Abstract:
      Postoperative pneumatocele is a rare complication of lung surgery. Here we describe 2 cases of pneumatoceles arising from the unaltered bottom part of the lower lobe a month or more after upper lobectomy. Based on histopathologic findings, we speculated that (1) negative pressure created by the volumetric gap between the thoracic cavity and the remnant lung and (2) increased positive pressure by the check valve mechanism from kinking or flexion of the airway after an upward movement of the remnant lung play crucial roles in the pathogenesis of postoperative pneumatoceles.
      (Copyright © 2021 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
    • Publication Date:
      Date Created: 20210319 Date Completed: 20211229 Latest Revision: 20211229
    • Publication Date:
      20231215
    • Accession Number:
      10.1016/j.athoracsur.2021.02.081
    • Accession Number:
      33737042