Products of conception: Difference between revisions
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|author1=[[User:Mikael Häggström|Mikael Häggström]] | |author1=[[User:Mikael Häggström|Mikael Häggström]] | ||
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{{Comprehensiveness}}</noinclude> | |||
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==Gross processing== | ==Gross processing== | ||
Look up the gestational age of the pregnancy. | Look up the gestational age of the pregnancy. | ||
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*If fetal parts are not visually found, search for diagnostic '''placental tissue''', which is soft and shaggy or spongy (as opposed to membranous, which is likely to be decidua or blood clots).<ref name=Chicago/> | *If fetal parts are not visually found, search for diagnostic '''placental tissue''', which is soft and shaggy or spongy (as opposed to membranous, which is likely to be decidua or blood clots).<ref name=Chicago/> | ||
*If '''no fetal or placental tissue''' is found, all presented tissue generally needs to be submitted. | *If '''no fetal or placental tissue''' is found, all presented tissue generally needs to be submitted. | ||
{{Moderate-begin}}If transported or processed together with other cases, put any chorionic villi in thin-mesh cassettes or tissue bags to limit contamination{{Moderate-end}}.<ref group=note>Chorionic villi are promiscuous contaminants of other tissues, and may cause a false positive finding for another cassette containing products of conception.<br>- {{cite journal| author=Carll T, Fuja C, Antic T, Lastra R, Pytel P| title=Tissue Contamination During Transportation of Formalin-Fixed, Paraffin-Embedded Blocks. | journal=Am J Clin Pathol | year= 2022 | volume= 158 | issue= 1 | pages= 96-104 | pmid=35195717 | doi=10.1093/ajcp/aqac014 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=35195717 }} </ref> | |||
===Gross report=== | ===Gross report=== | ||
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{{Comprehensive-begin}}Products of conception:{{Comprehensive-end}} Fragments of focally necrotic decidua and implantation site, consistent with intrauterine products of conception. Negative for chorionic villi. | {{Comprehensive-begin}}Products of conception:{{Comprehensive-end}} Fragments of focally necrotic decidua and implantation site, consistent with intrauterine products of conception. Negative for chorionic villi. | ||
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