Difference between revisions of "Placenta"

Placenta (view source)

1,112 bytes added , 17:35, 9 January 2013

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 ==Umbilical cord vasculitis==
 ===General===
-*Usu. seen together with [[chorioamnionitis]].
+*Usually seen together with [[chorioamnionitis]].
+**May be described as the ''fetal response'' to chorioamnionitis.<ref name=pmid14749651/>
+*Presence considered to be a good prognosticator.<ref name=pmid14749651>{{Cite journal  | last1 = Lahra | first1 = MM. | last2 = Jeffery | first2 = HE. | title = A fetal response to chorioamnionitis is associated with early survival after preterm birth. | journal = Am J Obstet Gynecol | volume = 190 | issue = 1 | pages = 147-51 | month = Jan | year = 2004 | doi = 10.1016/j.ajog.2003.07.012 | PMID = 14749651 }}
+</ref>
 ===Microscopic===
 Features:
-*Neutrophils in the vessels of the umbilical cord.
+*[[Neutrophil]]s in the vessels of the umbilical cord.
+*Wharton's jelly without neutrophils.
+Note:
+*Umbilical vein involvement (umbilical phlebitis) precedes umbilical artery involvement (umbilical arteritis).<ref name=pmid21090086>{{Cite journal  | last1 = Vedovato | first1 = S. | last2 = Zanardo | first2 = V. | title = [Chorioamnionitis and inflammatory disease in the premature newborn infant]. | journal = Minerva Pediatr | volume = 62 | issue = 3 Suppl 1 | pages = 155-6 | month = Jun | year = 2010 | doi =  | PMID = 21090086 }}</ref>
+DDx:
+*[[Funisitis]] - neutrophils also in the connective tissue of the umbilical cord (Wharton's jelly).
 ====Grading====