Difference between revisions of "Desquamative interstitial pneumonia"

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#redirect [[Diffuse lung diseases#Desquamative_interstitial_pneumonia]]
'''Desquamative interstitial pneumonia''', abbreviated ''DIP'', is a [[diffuse lung diseases|diffuse lung disease]] that is strongly associated with [[smoking]].
 
==General==
*Thought to be advanced ''[[RBILD]]''.
*Strong association with smoking.<ref name=Ref_WMSP93>{{Ref WMSP|93}}</ref>
**Treatment: stop smoking.
 
==Microscopic==
Features:
*Abundant brown pigmented airspace macrophages - ''smoker's macrophages'' - '''key feature'''.
*Architecture preserved; "linear fibrosis".
 
Notes:
*Some fields of view may be indistinguishable from [[RBILD]].
 
DDx:
*Amiodarone toxicity.
*Fibrotic [[NSIP]].
 
Images:
*[http://pathhsw5m54.ucsf.edu/case27/dip27.html DIP (ucsf.edu)].
 
==Stains==
*Macrophages [[PAS stain|PAS]] +ve.
 
==See also==
*[[Diffuse lung diseases]].
 
==References==
{{Reflist|1}}


[[Category:Diagnosis]]
[[Category:Diagnosis]]

Revision as of 04:05, 21 March 2016

Desquamative interstitial pneumonia, abbreviated DIP, is a diffuse lung disease that is strongly associated with smoking.

General

  • Thought to be advanced RBILD.
  • Strong association with smoking.[1]
    • Treatment: stop smoking.

Microscopic

Features:

  • Abundant brown pigmented airspace macrophages - smoker's macrophages - key feature.
  • Architecture preserved; "linear fibrosis".

Notes:

  • Some fields of view may be indistinguishable from RBILD.

DDx:

  • Amiodarone toxicity.
  • Fibrotic NSIP.

Images:

Stains

  • Macrophages PAS +ve.

See also

References

  1. Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 93. ISBN 978-0781765275.