Difference between revisions of "Talk:Placenta"

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== Chorangiosis? Hypertrophic decidual vasculopathy? ==
== Chorangiosis? Hypertrophic decidual vasculopathy? ==


==Diagnosis==
===Diagnosis===
PLACENTA, BIRTH:<br>
PLACENTA, BIRTH:<br>
-  THREE VESSEL CORD.<br>
-  THREE VESSEL CORD.<br>
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-  THICK-WALLED MATERNAL VESSELS (LACK OF PHYSIOLOGIC CONVERSION), SEE COMMENT 2.
-  THICK-WALLED MATERNAL VESSELS (LACK OF PHYSIOLOGIC CONVERSION), SEE COMMENT 2.


==Comment==
===Comment===
Comment 1:
Comment 1:
Villi, focally, have increased vascular channels; however, they are the appropriate size, for the gestational age, and have peripheral vessels.   
Villi, focally, have increased vascular channels; however, they are the appropriate size, for the gestational age, and have peripheral vessels.   
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Comment 2:
Comment 2:
Lack of physiologic conversion (of the spiral arteries of the uterus) is a feature seen in hypertrophic decidual vasculopathy (the histopathologic correlate of gestational hypertension).  Other changes of hypertrophic decidual vasculopathy (atherosis, intimal hyperplasia, fibrinoid necrosis of the vessel wall, perivascular inflammation, thrombosis) are absent.
Lack of physiologic conversion (of the spiral arteries of the uterus) is a feature seen in hypertrophic decidual vasculopathy (the histopathologic correlate of gestational hypertension).  Other changes of hypertrophic decidual vasculopathy (atherosis, intimal hyperplasia, fibrinoid necrosis of the vessel wall, perivascular inflammation, thrombosis) are absent.
== Decidual inflammation ==
<pre>
PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:
- FETAL MEMBRANES WITH MILD DECIDUAL INFLAMMATION (LYMPHOCYTES AND NEUTROPHILS),
  OTHERWISE WITHIN NORMAL LIMITS.
- PLACENTAL DISC WITH THIRD TRIMESTER VILLI, MILD PERIVILLOUS FIBRIN DEPOSITION AND
  SUBCHORIONIC FIBRIN (1 CM MAXIMAL DIMENSION).
- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.
</pre>
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