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| ==Acute villitis== | | ==Acute villitis== |
| ===General===
| | {{main|Acute villitis}} |
| *Rare.
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| *Typically viral - see ''[[TORCH infections]]''.
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| ===Microscopic===
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| Features:
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| *[[Neutrophil]]s in the villous stroma - '''key feature'''.
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| *+/-Features suggestive a particular infective etiology.
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| **Cytoplasmic inclusion +/-owl's eye nucleus ([[CMV]]).
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| ====Images====
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| <gallery>
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| Image:CMV_placentitis2_mini.jpg | [[CMV]] placentitis. (WC)
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| </gallery>
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| www:
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| *[http://www.webpathology.com/image.asp?n=1&Case=579 Acute villitis (webpathology.com)].
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| *[http://www.webpathology.com/image.asp?n=2&Case=579 Acute villitis (webpathology.com)].
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| ==Villitis of unknown etiology== | | ==Villitis of unknown etiology== |