Bronchoscopic treatment of postpneumonectomy bronchopleural fistula with a collagen screw plug  Hiroyuki Tao, MD, Masato Araki, MD, Toshihiko Sato, MD,

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Bronchoscopic treatment of postpneumonectomy bronchopleural fistula with a collagen screw plug  Hiroyuki Tao, MD, Masato Araki, MD, Toshihiko Sato, MD, Shigeyuki Morino, MD, Rieko Kawanami, MD, Makoto Yoshitani, MD, Tatsuo Nakamura, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 132, Issue 1, Pages 99-104 (July 2006) DOI: 10.1016/j.jtcvs.2006.02.021 Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Collagen screw plug (lower) and metal screw used to create mold (upper). B, Scanning electron micrograph of screw plug shows pore structure of collagen sponge. The Journal of Thoracic and Cardiovascular Surgery 2006 132, 99-104DOI: (10.1016/j.jtcvs.2006.02.021) Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 A, BPF just after removal of silicone bar. B, Screw plug (small arrow) inserted into BPF from end of endoscopic cannula (large arrow). C, Findings on 14th day after treatment. BPF is completely covered with bronchial mucosa. The Journal of Thoracic and Cardiovascular Surgery 2006 132, 99-104DOI: (10.1016/j.jtcvs.2006.02.021) Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Microscopic appearance of bronchial stump 4 weeks after treatment procedure. Arrow indicates occluded BPF. Fistula is filled with fibrous tissue and covered with bronchial epithelium. M, Bronchial smooth muscle; C, bronchial cartilage. Masson trichrome stain; original magnification ×100. The Journal of Thoracic and Cardiovascular Surgery 2006 132, 99-104DOI: (10.1016/j.jtcvs.2006.02.021) Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions