1. Tracheobronchial Pulmonary Disease Associated With Pyoderma Gangrenosum 
Soichiro Kanoh, MD, PhD, Hideo Kobayashi, MD, PhD, Ken Sato, MD, PhD, Kazuo Motoyoshi, MD, PhD, Shinsuke Aida, MD, PhD 
Mayo Clinic Proceedings 
Volume 84, Issue 6, Pages (June 2009)
DOI: /
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2. FIGURE 1
Flexible bronchoscopy at the level of the trachea (left) and bifurcation of left upper and lower lobe (right) revealed multiple yellowish-white endobronchial polypoid nodules and mucosal redness. The polypoid lesions had an irregular, necrotic, and friable surface with lobulation.
Mayo Clinic Proceedings  , DOI: ( / )
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3. FIGURE 2
Biopsy specimen from bronchial polypoid nodules showed actively inflamed granulation tissue with infiltration by numerous neutrophils and lymphoplasma cells with necrosis. No vasculitis or granulomas were seen (hematoxylin-eosin, original magnificatio×40).
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2009 Mayo Foundation for Medical Education and Research Terms and Conditions