Pulmonary bullae are focal regions of emphysema with no discenible wall which measure more than 1cm in diameter 1-2. Some would use the term pulmonary bleb for a 1 - 2 cm lesion, whereas others would use the terms bleb and bulla interchangeably. They are often subpleural in location and may result in spontaneous pneumathoraces.
In some cases bullae can be very large and result in compression of adjacent lung.
- 1. Stern EJ, Frank MS. CT of the lung in patients with pulmonary emphysema: diagnosis, quantification, and correlation with pathologic and physiologic findings. AJR Am J Roentgenol. 1994;162 (4): 791-8. AJR Am J Roentgenol (abstract) - Pubmed citation
- 2. Collins J, Stern EJ. Chest radiology, the essentials. Lippincott Williams & Wilkins. (2007) ISBN:0781763142. Read it at Google Books - Find it at Amazon
- 3. Shields TW. General Thoracic Surgery. Lippincott Williams & Wilkins. (2009) ISBN:0781779820. Read it at Google Books - Find it at Amazon
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