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Difference between revisions of "Pulmonary cytopathology"
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→Mucinous metaplasia: +lipoid pneumonia
(+alt. name) |
(→Mucinous metaplasia: +lipoid pneumonia) |
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| Line 320: | Line 320: | ||
DDx: | DDx: | ||
*[[Signet ring cell carcinoma]] - often single cells. | *[[Signet ring cell carcinoma]] - often single cells. | ||
==Lipoid pneumonia== | |||
*[[AKA]] cholesterol pneumonia. | |||
*[[AKA]] lipid granulomatosis | |||
===General=== | |||
Etiology: | |||
*Aspiration of a fatty substance, e.g. mineral oils, petroleum jelly.<ref name=pmid19901490/> | |||
===Cytology=== | |||
Features:<ref name=pmid19901490>{{Cite journal | last1 = Khilnani | first1 = GC. | last2 = Hadda | first2 = V. | title = Lipoid pneumonia: an uncommon entity. | journal = Indian J Med Sci | volume = 63 | issue = 10 | pages = 474-80 | month = Oct | year = 2009 | doi = 10.4103/0019-5359.57639 | PMID = 19901490 | URL = http://www.indianjmedsci.org/article.asp?issn=0019-5359;year=2009;volume=63;issue=10;spage=474;epage=480;aulast=Khilnani }}</ref> | |||
*Macrophages with multiple fat droplets. | |||
**Often fill the cytoplasm. | |||
*Nucleus often eccentric; '''not'' distorted (as seen in signet ring cells). | |||
Image: | |||
*[http://www.indianjmedsci.org/viewimage.asp?img=IndianJMedSci_2009_63_10_474_57639_u2.jpg Lipoid pneumonia (indianjmedsci.org)].<ref name=pmid19901490/> | |||
==Non-specific inflammation== | ==Non-specific inflammation== | ||