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| ==Bronchiectasis== | | ==Bronchiectasis== |
| ===General===
| | {{Main|Bronchiectasis}} |
| *Benign.
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| *Uncommon.
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| *Predisposes for infection.<ref name=Ref_PBoD8_693>{{Ref PBoD8|693}}</ref>
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| **Usually a mixed flora.
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| **May be predominantly fungal, e.g. ''allergic bronchopulmonary [[aspergillosis]] (ABPA)''.
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| *Multitude of causes - including:
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| **[[Cystic fibrosis]] - typically diffusely involvement, unlike other causes.<ref>URL: [http://library.med.utah.edu/WebPath/LUNGHTML/LUNG053.html http://library.med.utah.edu/WebPath/LUNGHTML/LUNG053.html]. Accessed on: 21 February 2012.</ref>
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| **[[Primary ciliary dyskinesia]].
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| ===Gross===
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| *Large airways at the periphery of the lung.
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| *Central airways larger than the adjacent arteries.
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| *Typically focal.
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| Radiologic:
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| *Central airways larger than the adjacent arteries.
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| *Airway wall-thickening.<ref>{{Cite journal | last1 = Stockley | first1 = RA. | title = Commentary: bronchiectasis and inflammatory bowel disease. | journal = Thorax | volume = 53 | issue = 6 | pages = 526-7 | month = Jun | year = 1998 | doi = | PMID = 9713456 }}</ref>
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| *"Tree-in-bud" abnormalities.
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| ====Images====
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| <gallery>
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| Image:Bronchiectasis.jpg | Bronchiectasis. (WC)
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| </gallery>
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| www:
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| *[http://library.med.utah.edu/WebPath/LUNGHTML/LUNG053.html Bronchiectasis (utah.edu)].
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| ===Microscopic===
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| Features:
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| *Dilated airways.
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| **Airways larger than arteries.
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| ====Image====
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| www:
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| *[http://library.med.utah.edu/WebPath/LUNGHTML/LUNG054.html Bronchiectasis (utah.edu)].
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| ==Pulmonary hemorrhage== | | ==Pulmonary hemorrhage== |