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Difference between revisions of "Placenta"
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→Inflammatory placenta
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*Intravillous hemorrhage is non-specific - may arise in the following: early placental infarct, cord compression, abdominal trauma. | *Intravillous hemorrhage is non-specific - may arise in the following: early placental infarct, cord compression, abdominal trauma. | ||
=Inflammatory | =Inflammatory pathologies= | ||
==Infection== | ==Infection== | ||
General:<ref name=Ref_PBoD1106>{{Ref PBoD|1106}}</ref> | General:<ref name=Ref_PBoD1106>{{Ref PBoD|1106}}</ref> | ||
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Umbilical funisitis:<ref name=Ref_Sternberg4_2311>{{Ref Sternberg4|2311}}</ref> | Umbilical funisitis:<ref name=Ref_Sternberg4_2311>{{Ref Sternberg4|2311}}</ref> | ||
# | # Focal inflammation. | ||
# | # Diffuse inflammation. | ||
# | # Necrosis - in vessels or Wharton jelly. | ||
Note: There is no such thing as ''chorionitis''.<ref>ALS. February 2009.</ref> | Note: There is no such thing as ''chorionitis''.<ref>ALS. February 2009.</ref> | ||
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==Villitis of unknown etiology== | ==Villitis of unknown etiology== | ||
*Abbreviated ''VUE''. | *Abbreviated ''VUE''. | ||
===General=== | ===General=== | ||
Features:<ref name=pmid17889674>{{cite journal |author=Redline RW |title=Villitis of unknown etiology: noninfectious chronic villitis in the placenta |journal=Hum. Pathol. |volume=38 |issue=10 |pages=1439–46 |year=2007 |month=October |pmid=17889674 |doi=10.1016/j.humpath.2007.05.025 |url=}}</ref> | Features:<ref name=pmid17889674>{{cite journal |author=Redline RW |title=Villitis of unknown etiology: noninfectious chronic villitis in the placenta |journal=Hum. Pathol. |volume=38 |issue=10 |pages=1439–46 |year=2007 |month=October |pmid=17889674 |doi=10.1016/j.humpath.2007.05.025 |url=}}</ref> | ||
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*Unknown - as the name of the entity suggests. | *Unknown - as the name of the entity suggests. | ||
**Suspected to be immune-mediated. | **Suspected to be immune-mediated. | ||
===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=pmid17889674/> | Features:<ref name=pmid17889674/> | ||
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*+/-Intervillositis (lymphocytes between villi). | *+/-Intervillositis (lymphocytes between villi). | ||
*+/-Histiocytes. | *+/-Histiocytes. | ||
*No plasma cells - this suggests an infectious etiology.<ref>CS. 7 February 2011.</ref> | *'''No''' plasma cells - this suggests an infectious etiology.<ref>CS. 7 February 2011.</ref> | ||
**Plasma cells may be in the decidua. | **Plasma cells may be seen in the decidua -- these can be ignored. | ||
Notes: | Notes: | ||