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Canadian Respiratory Journal
Volume 6, Issue 5, Pages 458-460
Case Report

Spontaneous Regression of Multiple Emphysematous Bullae

Hiroaki Satoh,1 Tokihiko Suyama,2 Yuko T Yamashita,1 Morio Ohtsuka,1 and Kiyohisa Sekizawa1

1Division of Respiratory Medicine, Institute of Clinical Medicine, University of Tsukuba, Tsukuba-city, Japan
2Department of Internal Medicine, Kawakita General Hospital, Tokyo, Japan

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The etiology of emphysematous bullae is not well known; thus, the management of bullous lung disease is often difficult because of concomitant underlying emphysema and coexisting cardiac conditions. The present paper reports a case in which near complete resolution of multiple emphysematous bullae in the right lung occurred spontaneously. This case is of interest, not only because of the rarity with which spontaneous regression of multiple emphysematous bullae has been reported in the literature, but also because of the accompanying dramatic improvements in radiological results and pulmonary function of the patients.