Placenta: Difference between revisions
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→Microscopic examination: +choriodeciduitis |
m →Gross processing: Moved |
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:*Look for any '''pathologies''' including granular excrescences, subchorionic fibrin or subamniotic hemorrhage | :*Look for any '''pathologies''' including granular excrescences, subchorionic fibrin or subamniotic hemorrhage | ||
:*Look at the integrity and extent of the '''vasculature''', including any thrombosis and traumatic damage | :*Look at the integrity and extent of the '''vasculature''', including any thrombosis and traumatic damage | ||
*Examine the '''maternal surface''' (basal plate) for completeness, adherent blood clots, depressions, calcifications and fibrin | *Examine the '''maternal surface''' (basal plate) for completeness, adherent blood clots, depressions, calcifications and fibrin | ||
*Take a '''membrane roll''' and '''cord sections''', before sectioning the placenta | *Take a '''membrane roll''' and '''cord sections''', before sectioning the placenta | ||
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*'''Palpate''' the parencyhmal sections for areas of induration. | *'''Palpate''' the parencyhmal sections for areas of induration. | ||
*Note the '''color''' of the parenchyma and describe any pale areas, cysts, infarcts (estimate total amount of infarcted tissue), thrombi, increased fibrin and calcifications | *Note the '''color''' of the parenchyma and describe any pale areas, cysts, infarcts (estimate total amount of infarcted tissue), thrombi, increased fibrin and calcifications | ||
[[File:Gross pathology of placental disorders.jpg|thumb|520px|center|Gross pathology of placental disorders.<ref name="ChenZhang2020">{{cite journal|last1=Chen|first1=Yukun|last2=Zhang|first2=Zhuomin|last3=Wu|first3=Chenyan|last4=Davaasuren|first4=Dolzodmaa|last5=Goldstein|first5=Jeffery A.|last6=Gernand|first6=Alison D.|last7=Wang|first7=James Z.|title=AI-PLAX: AI-based placental assessment and examination using photos|journal=Computerized Medical Imaging and Graphics|volume=84|year=2020|pages=101744|issn=08956111|doi=10.1016/j.compmedimag.2020.101744}}<br>- Fig 5- available via license: Creative Commons Attribution 4.0 International.</ref>]] | |||
===Tissue selection=== | ===Tissue selection=== | ||