Abstract
Inflammatory occlusion of one or more bronchi entering an area of unresolved pneumonia can be differentiated from obstruction due to bronchogenic carcinoma. The obstruction always occurs some distance from the bronchial origin, at the edge of the inflammatory process. The obstructed end is smooth and regular; when concave, the concavity is toward the hilus. Other abnormalities may include a small projection extending from the center of the concavity, a slight bulge on both sides of the obstructed end, or gentle and gradual tapering of the occluded bronchus. A possible explanation of the pathogenesis is offered, and the differential characteristics are discussed.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
