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Honeycombing

Dr Yuranga Weerakkody and Dr Behrang Amini et al.

Honeycombing refers to the computed tomographic (CT) manifestation of diffuse pulmonary fibrosis. CT demonstrates clustered cystic air spaces (between 0.3-1.0 cm in diameter), which are usually subpleural. The walls of the cysts are well-defined and often thick. 

Differential diagnosis

  • air-space consolidation in the presence of pulmonary emphysema can mimic this appearance.
  • in some situations paraseptal emphysema can also mimic honeycombing 3

See also

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