Round atelectasis (also known as folded lung or Blesovsky syndrome) is an unusual type of lung atelectasis where there is infolding of a redundant pleura . The way the lung collapses can at times give a false mass like appearance.
It can be seen association with
- asbestos lung exposure 3 : most commonly
- therapeutic pneumothorax in the treatment of tuberculosis 1
- congestive heart failure 2
- pulmonary infarction 2
Location - distribution
There may be a predilection towards the lower lobes 4.
HRCT : Chest
- almost always seen adjacent to a pleural surface
- comet tail sign 2 : produced by the pulling of bronchovascular bundles giving the shape of a comet tail
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- 1. Mchugh K, Blaquiere RM. CT features of rounded atelectasis. AJR Am J Roentgenol. 1989;153 (2): 257-60. AJR Am J Roentgenol (abstract) - Pubmed citation
- 2. Partap VA. The comet tail sign. Radiology. 1999;213 (2): 553-4. Radiology (full text) - Pubmed citation
- 3. Cugell DW, Kamp DW. Asbestos and the pleura: a review. Chest. 2004;125 (3): 1103-17. doi:10.1378/chest.125.3.1103 - Pubmed citation
- 4. Müller NL, Silva CI. Imaging of the chest. (2008) ISBN:141604048X. Read it at Google Books - Find it at Amazon
Synonyms & Alternative Spellings
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|Rounded lung collapse||✗|