Placenta: Difference between revisions
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==Microscopic examination== | ==Microscopic examination== | ||
*Look for '''inflammation''', especially by the fetal surface in the intervillous spaces and around the fetal blood vessels. | *Look for '''inflammation''', especially by the fetal surface in the intervillous spaces and around the fetal blood vessels. | ||
<gallery mode=packed heights=200> | <gallery mode=packed heights=200> | ||
File:Histopathology of subchorionic intervillositis, annotated.jpg|Acute '''subchorionic intervillositis''', with neutrophils (annotated) in Langhan’s layer of fibrinoid (by the fetal surface, at the base of a chorionic villus, seen at top right). | File:Histopathology of subchorionic intervillositis, annotated.jpg|Acute '''subchorionic intervillositis''', with neutrophils (annotated) in Langhan’s layer of fibrinoid (by the fetal surface, at the base of a chorionic villus, seen at top right). | ||
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| {{Moderate-begin}}Placenta, <<vaginal/Caesarean>> delivery:{{Moderate-end}}<br>Third trimester placenta with term villous histology. Placental weight (__ gm), at __th percentile for gestational age. Membranes without significant histopathologic changes{{Comprehensive-begin}}, negative for chorioamnionitis{{Comprehensive-end}}. Trivascular umbilical cord, with no significant histopathologic changes{{Comprehensive-begin}}, negative for funisitis{{Comprehensive-end}}. | | {{Moderate-begin}}Placenta, <<vaginal/Caesarean>> delivery:{{Moderate-end}}<br>Third trimester placenta with term villous histology. Placental weight (__ gm), at __th percentile for gestational age. Membranes without significant histopathologic changes{{Comprehensive-begin}}, negative for chorioamnionitis{{Comprehensive-end}}. Trivascular umbilical cord, with no significant histopathologic changes{{Comprehensive-begin}}, negative for funisitis{{Comprehensive-end}}. | ||
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Mild to moderate inflammation in the decidua alone can be ignored (as it is most commonly a physiological response and doesn't have a clinical significance for the fetus). | |||
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