Expandable Metallic Stent Placement in Upper Tracheal Stenosis
Value of Laryngeal Masks
Noboru Tanigawa1,
Satoshi Sawada1,
Yoshikazu Okuda1,
Mitsuharu Sougawa1,
Atsushi Komemushi1,
Masayuki Kojima1,
Yuzo Hirokawa1 and
Takashi Asai2
1
Department of Radiology, Kansai Medical University, 10-15 Fumizono, Moriguchi,
Osaka, 570-8507 Japan.
2
Department of Anesthesiology, Kansai Medical University, Moriguchi, Osaka,
570-8507 Japan.

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Fig. 1. Photograph shows bronchoscope being advanced through
laryngeal mask.
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Fig. 2. Diagram shows airway kept open by laryngeal mask. Whole
trachea distal to glottis is freely passable.
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Fig. 3A. 65-year-old man with tracheomalacia. Radiograph obtained
after initial stent placement using topical anesthesia shows stents below
targeted site (arrowheads).
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Fig. 3B. 65-year-old man with tracheomalacia. Radiograph obtained
after second stent placement using laryngeal mask shows stents successfully
placed at target site.
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Copyright © 2001 by the American Roentgen Ray Society.