Difference between revisions of "Placenta"

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===Gross===
===Gross===
*Yellow or white plaques.
Features:<ref name=pmid18081444/>
*White (or yellow) plaques - irregular outline.


DDx:
DDx:
*[[Amnion nodosum]].
*[[Amnion nodosum]] - small (~1-5 mm), round, classically yellow.
 
Images:
*[http://www.archivesofpathology.org/action/showFullPopup?id=i1543-2165-131-12-1829-f01&doi=10.1043%2F1543-2165%282007%29131%5B1829%3AANRCAP%5D2.0.CO%3B2 Amnion nodosum & squamous metaplasia of the amnion (archivesofpathology.org)].<ref name=pmid18081444/>
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===Microscopic===
===Microscopic===
Features:
Features:<ref name=pmid18081444/>
*Dense, paucicellular (pink) compact keratin - '''key feature'''.
*Dense, paucicellular (pink) compact keratin - '''key feature'''.