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Round atelectasis

Dr Yuranga Weerakkody et al.

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 

Location - distribution

There may be a predilection towards the lower lobes 4.

Radiographic features

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

See also

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