Difference between revisions of "Placenta"

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===Hypertrophic decidual vasculopathy===
===Hypertrophic decidual vasculopathy===
Features:<ref>AFIP - Placental Pathology. P.122. ISBN: 1-881041-89-1. 2004.</ref>
Features:<ref name=pmid18641412>{{Cite journal  | last1 = Roberts | first1 = DJ. | last2 = Post | first2 = MD. | title = The placenta in pre-eclampsia and intrauterine growth restriction. | journal = J Clin Pathol | volume = 61 | issue = 12 | pages = 1254-60 | month = Dec | year = 2008 | doi = 10.1136/jcp.2008.055236 | PMID = 18641412 }}</ref>
*Narrowing of decidual spiral arteries.
*Mild or moderate:
**Due to excessive (vascular smooth) muscle. (???)
*#Perivascular inflammatory cells.
*#+/-Vascular thrombosis.
*#Smooth muscle hypertrophy.
*#Endothelial hyperplasia.
*#*Above two lead to narrowing of the decidual spiral arteries<ref>AFIP - Placental Pathology. P.122. ISBN: 1-881041-89-1. 2004.</ref> -- '''key feature'''.
*Severe:<ref name=pmid18641412/>
*#Atherosis - foamy macrophages within vascular wall.
*#Fibrinoid necrosis of vessel wall (amorphous eosinophilic vessel wall).
 
General:
*Seen in intrauterine growth restriction (IUGR).


===Atherosis===
===Atherosis===
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