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Difference between revisions of "Medical lung diseases"
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talcosis
(→Miscellaneous diseases: granulomatous) |
(talcosis) |
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*Plasma proteins in airspace - light pink acellular junk. | *Plasma proteins in airspace - light pink acellular junk. | ||
*+/-Hemosiderin-laden macrophages (heart failure cells). | *+/-Hemosiderin-laden macrophages (heart failure cells). | ||
==Organizing pneumonia== | ==Organizing pneumonia== | ||
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*Wegener granulomatosis. | *Wegener granulomatosis. | ||
==Sarcoidosis== | |||
===General=== | |||
*Diagnosis of exclusion - infection must be excluded. | |||
*Radiologic differential diagnosis includes carcinomatosis.<ref>URL: [http://www.radiologyassistant.nl/en/46b480a6e4bdc http://www.radiologyassistant.nl/en/46b480a6e4bdc]. Accessed on: 23 May 2010.</ref> | |||
===Microscopic=== | |||
Features: | |||
*Granulomata, well-formed, non-necrotizing. | |||
**Negative for microorganisms with special stains (PAS-D, GMS, AFB). | |||
**Granulomata - interstitial location. | |||
Image(s): | |||
*[http://commons.wikimedia.org/wiki/File:Asteroid_body_intermed_mag.jpg Sarcoidosis - lung (WC)]. | |||
*[http://commons.wikimedia.org/wiki/File:Asteroid_body_very_high_mag.jpg Granulomata in sarcoidosis with asteroid bodies (WC)]. | |||
==Pulmonary talcosis== | ==Pulmonary talcosis== | ||
===General=== | |||
*Associated with herion use.<ref name=pmid6655726>{{Cite journal | last1 = Davis | first1 = LL. | title = Pulmonary "mainline" granulomatosis: talcosis secondary to intravenous heroin abuse with characteristic x-ray findings of asbestosis. | journal = J Natl Med Assoc | volume = 75 | issue = 12 | pages = 1225–8 | month = Dec | year = 1983 | doi = | PMID = 6655726 |url=http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2561715/?tool=pubmed }}</ref> | |||
===Microscopic=== | |||
Features: | |||
*Granulomas with foreign material. | |||
**Foreign material often polarizes. | |||
Images: | Images: | ||