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| ==Desquamative interstitial pneumonia== | | ==Desquamative interstitial pneumonia== |
| *Abbreviated ''DIP''. | | *Abbreviated ''DIP''. |
| ===General===
| | {{Main|Desquamative interstitial pneumonia}} |
| *Thought to be advanced ''[[RBILD]]''.
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| *Strong association with smoking.<ref name=Ref_WMSP93>{{Ref WMSP|93}}</ref>
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| **Treatment: stop smoking.
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| ===Microscopic===
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| Features:
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| *Abundant brown pigmented airspace macrophages - ''smoker's macrophages'' - '''key feature'''.
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| *Architecture preserved; "linear fibrosis".
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| Notes:
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| *Some fields of view may be indistinguishable from [[RBILD]].
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| DDx:
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| *Amiodarone toxicity.
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| *Fibrotic [[NSIP]].
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| Images:
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| *[http://pathhsw5m54.ucsf.edu/case27/dip27.html DIP (ucsf.edu)].
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| ===Stains===
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| *Macrophages [[PAS stain|PAS]] +ve.
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| =See also= | | =See also= |