placental infarction


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Related to placental infarction: placental insufficiency

placental infarction

A localized necrotic area caused by abruption.
See: abruptio placentae
See also: infarction
References in periodicals archive ?
As the practical importance of recognizing LN and MCP has never been compared with the well-known chorionic disc hypoxic lesions, particularly placental infarction and global hypoxic patterns of placental injury, this analysis is intended to retrospectively address this issue from a large database of placental material.
In a study by Sharma and Mardi (2003) placental infarction on macroscopic and microscopic surfaces as well as ischemic necrosis was higher in the IUGR placenta compared to those normal.
Placental infarction of >5% surface area is considered pathological and more frequently seen in toxemia and IUGR due to thrombotic occlusion of maternal uteroplacental vessels.
2009) (9) suggested that some placental abnormalities found were associated with clinical causes of still birth, such as placental infarction and IUGR.
Zeek and Assali (1950) (9) defined placental infarction as a zone of ischaemic necrosis of a group of villi due to complete interference with their blood supply in the deciduas, thrombosis of a spiral arteriole or a retroplacental haemorrhage.
The decreased placental weight is attributed to atheromatous lesions in the tunica media of spiral arteries, associated with thrombosis & vascular occlusion and placental infarction (11).