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| coal dust | | coal dust | ||
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==Gross== | |||
*Peripheral or peribronchiolar.<ref name=pmid16434894>{{Cite journal | last1 = Churg | first1 = A. | last2 = Muller | first2 = NL. | last3 = Flint | first3 = J. | last4 = Wright | first4 = JL. | title = Chronic hypersensitivity pneumonitis. | journal = Am J Surg Pathol | volume = 30 | issue = 2 | pages = 201-8 | month = Feb | year = 2006 | doi = | PMID = 16434894 }}</ref> | |||
**Not large airways. | |||
==Microscopic== | ==Microscopic== | ||
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DDx: | DDx: | ||
*[[Usual interstitial pneumonia]]. | *[[Usual interstitial pneumonia]]. | ||
*[[Nonspecific interstitial pneumonia]]. | |||
===Images=== | ===Images=== |
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