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Difference between revisions of "Diffuse lung diseases"
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→Overview - histologic classification
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An introduction to pulmonary pathology is found in the ''[[pulmonary pathology]]'' article. | An introduction to pulmonary pathology is found in the ''[[pulmonary pathology]]'' article. | ||
=Overview - | =Overview= | ||
==Specimens== | |||
*Diffuse lung disease is best assessed on an open biopsy. | |||
**These procedure are quite invasive; thus, not infrequently clinicians will try a transbrochial biopsy that ends-up providing in useful information. | |||
===Sign out=== | |||
<pre> | |||
LUNG, LEFT, TRANSBRONCHIAL BIOPSY: | |||
- SMALL FRAGMENTS OF LUNG PARENCHYMA WITHOUT SIGNIFICANT CHANGES, SEE MICROSCOPIC | |||
DESCRIPTION AND COMMENT. | |||
COMMENT: | |||
The clinical findings are noted. The size and type of biopsy significant limit the | |||
interpretation. Suspected diffuse lung disease (interstitial lung disease) | |||
is best assessed on an open lung biopsy. | |||
</pre> | |||
====Micro==== | |||
The sections show small fragments of lung parenchyma. A very small amount of anthracotic | |||
pigment is present. Interstitial fibrosis is not apparent. No granuloma are identified. | |||
No nuclear atypia is identified. Air-space macrophages show minimal pigmentation and are | |||
not present in large numbers. No significant airspace or interstitial inflammation is | |||
identified. | |||
==Histologic classification== | |||
*Can be complex,<ref name="pmid12405906">{{cite journal |author=Nicholson AG |title=Classification of idiopathic interstitial pneumonias: making sense of the alphabet soup |journal=Histopathology |volume=41 |issue=5 |pages=381-91 |year=2002 |month=November |pmid=12405906 |doi= |url=http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0309-0167&date=2002&volume=41&issue=5&spage=381}}</ref> and the combined efforts of [[clinician]]s, [[radiologist]]s, and [[pathologist]]s can help in the generation of a more specific diagnosis.<ref name="pmid15256390">{{cite journal |author=Flaherty KR, King TE, Raghu G, ''et al'' |title=Idiopathic interstitial pneumonia: what is the effect of a multidisciplinary approach to diagnosis? |journal=Am. J. Respir. Crit. Care Med. |volume=170 |issue=8 |pages=904-10 |year=2004 |month=October |pmid=15256390 |doi=10.1164/rccm.200402-147OC |url=http://ajrccm.atsjournals.org/cgi/pmidlookup?view=long&pmid=15256390}}</ref><ref name="pmid16738191">{{cite journal |author=Kim DS, Collard HR, King TE |title=Classification and natural history of the idiopathic interstitial pneumonias |journal=Proc Am Thorac Soc |volume=3 |issue=4 |pages=285-92 |year=2006 |month=June |pmid=16738191 |doi=10.1513/pats.200601-005TK |url=http://pats.atsjournals.org/cgi/pmidlookup?view=long&pmid=16738191}}</ref> | *Can be complex,<ref name="pmid12405906">{{cite journal |author=Nicholson AG |title=Classification of idiopathic interstitial pneumonias: making sense of the alphabet soup |journal=Histopathology |volume=41 |issue=5 |pages=381-91 |year=2002 |month=November |pmid=12405906 |doi= |url=http://www3.interscience.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0309-0167&date=2002&volume=41&issue=5&spage=381}}</ref> and the combined efforts of [[clinician]]s, [[radiologist]]s, and [[pathologist]]s can help in the generation of a more specific diagnosis.<ref name="pmid15256390">{{cite journal |author=Flaherty KR, King TE, Raghu G, ''et al'' |title=Idiopathic interstitial pneumonia: what is the effect of a multidisciplinary approach to diagnosis? |journal=Am. J. Respir. Crit. Care Med. |volume=170 |issue=8 |pages=904-10 |year=2004 |month=October |pmid=15256390 |doi=10.1164/rccm.200402-147OC |url=http://ajrccm.atsjournals.org/cgi/pmidlookup?view=long&pmid=15256390}}</ref><ref name="pmid16738191">{{cite journal |author=Kim DS, Collard HR, King TE |title=Classification and natural history of the idiopathic interstitial pneumonias |journal=Proc Am Thorac Soc |volume=3 |issue=4 |pages=285-92 |year=2006 |month=June |pmid=16738191 |doi=10.1513/pats.200601-005TK |url=http://pats.atsjournals.org/cgi/pmidlookup?view=long&pmid=16738191}}</ref> | ||