Difference between revisions of "Placenta"
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*[[Hamartoma]]-like growth in the placenta consisting of [[blood vessel]]s.<ref name=pmid20594143>{{cite journal |author=Amer HZ, Heller DS |title=Chorangioma and related vascular lesions of the placenta--a review |journal=Fetal Pediatr Pathol |volume=29 |issue=4 |pages=199–206 |year=2010 |pmid=20594143 |doi=10.3109/15513815.2010.487009 |url=}}</ref> | *[[Hamartoma]]-like growth in the placenta consisting of [[blood vessel]]s.<ref name=pmid20594143>{{cite journal |author=Amer HZ, Heller DS |title=Chorangioma and related vascular lesions of the placenta--a review |journal=Fetal Pediatr Pathol |volume=29 |issue=4 |pages=199–206 |year=2010 |pmid=20594143 |doi=10.3109/15513815.2010.487009 |url=}}</ref> | ||
Epidemiology: | |||
*Often benign. | *Often benign. | ||
*May be association with: | *May be association with: | ||
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**[[IUGR]]. | **[[IUGR]]. | ||
=== | ===Gross=== | ||
*White lesions. | |||
**Occasionally red lesions. | |||
===Microscopic=== | |||
Features: | Features: | ||
*Mass of capillaries. | *Mass of capillaries. | ||
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Image: | Image: | ||
*[http://commons.wikimedia.org/wiki/File:Chorangioma_-_intermed_mag.jpg Chorangioma (WC)]. | *[http://commons.wikimedia.org/wiki/File:Chorangioma_-_intermed_mag.jpg Chorangioma (WC)]. | ||
==Chorangiosis=== | |||
===General=== | |||
*Should not be confused with chorangioma. | |||
*Rare. | |||
Associations: | |||
*Maternal hypoxia: | |||
**Smoking. | |||
**Altitude. | |||
**Diabetes. | |||
===Microscopic=== | |||
Features: | |||
*Increased blood vessels in the terminal villi. | |||
*Not well circumscribed. | |||
Notes: | |||
*Usually not seen on gross pathology. | |||
=See also= | =See also= | ||