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Difference between revisions of "Diffuse lung diseases"
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Diffuse lung diseases (view source)
Revision as of 18:19, 22 February 2012
, 18:19, 22 February 2012→Organizing pneumonia: more, +DDx
(→Organizing pneumonia: more, +DDx) |
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Note: | Note: | ||
*BOOP is used as a synonym for ''organizing pneumonia'' which has the long differential diagnosis above.<ref name=Ref_WMSP91>{{Ref WMSP|91}}</ref> | *BOOP is used as a synonym for ''organizing pneumonia'' which has the long differential diagnosis above.<ref name=Ref_WMSP91>{{Ref WMSP|91}}</ref> | ||
**Confusingly, it may be used to refer to the idiopathic form of organizing pneumonia, now generally known as cryptogenic organizing pneumonia (COP). | **Confusingly, it may be used to refer to the idiopathic form of organizing pneumonia, now generally known as ''cryptogenic organizing pneumonia'' (COP). | ||
***In other words, strictly speaking, ''BOOP'' is '''not''' the same as ''COP''; idiopathic BOOP ''is'' COP. | ***In other words, strictly speaking, ''BOOP'' is '''not''' the same as ''COP''; idiopathic BOOP ''is'' COP. | ||
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*Distal airway disease -- airways plugged with organizing exudate ("Masson bodies"). | *Distal airway disease -- airways plugged with organizing exudate ("Masson bodies"). | ||
**"Organized exudate" = fluffy light-staining paucicellular regions with stellate cells (fibroblasts & immature connective tissue). | **"Organized exudate" = fluffy light-staining paucicellular regions with stellate cells (fibroblasts & immature connective tissue). | ||
*'''No''' hobnailing of pneumocytes. | |||
**Type 2 pneumocytes hyperplasia is absent. | |||
DDx: | |||
*[[Diffuse alveolar damage]] (proliferative phase). | |||
*[[Bronchiolitis obliterans]]. | |||
Images: | Images: | ||