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.
- air-space consolidation in the presence of pulmonary emphysema can mimic this appearance.
- in some situations paraseptal emphysema can also mimic honeycombing 3
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- 1. Austin JH, Müller NL, Friedman PJ et-al. Glossary of terms for CT of the lungs: recommendations of the Nomenclature Committee of the Fleischner Society. Radiology. 1996;200 (2): 327-31. Radiology (citation) - Pubmed citation
- 2. Mueller-mang C, Grosse C, Schmid K et-al. What every radiologist should know about idiopathic interstitial pneumonias. Radiographics. 27 (3): 595-615. doi:10.1148/rg.273065130 - Pubmed citation
- 3. Arakawa H, Honma K. Honeycomb lung: history and current concepts. AJR Am J Roentgenol. 2011;196 (4): 773-82. doi:10.2214/AJR.10.4873 - Pubmed citation
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