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The placental‐subplacental complex: A specific indicator of placental position on ultrasound
Author(s) -
Callen Peter W.,
Filly Roy A.
Publication year - 1980
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/jcu.1870080106
Subject(s) - echogenicity , placenta , myometrium , medicine , parenchyma , ultrasound , fetus , position (finance) , anatomy , pathology , pregnancy , uterus , radiology , biology , genetics , finance , economics
Subplacental tissue frequently appears as a less echogenic zone adjacent to the more echogenic parenchymal texture of the placenta on gray‐scale sonograms. This complex of parenchymal structures is useful in specifically localizing placental position and extent, especially in posteriorly positioned placentas, which may be shadowed by the fetus, or in cases in which focally thickened portions of the myometrium or reverberation artifact may simulate the placenta.