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Visualization of placental hypocirculation with typical patterns using conventional magnetic resonance imaging: Two case reports
Author(s) -
Himoto Yuki,
Kido Aki,
Minamiguchi Sachiko,
Mogami Haruta,
Konishi Ikuo,
Togashi Kaori
Publication year - 2015
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/jog.12632
Subject(s) - placenta , medicine , magnetic resonance imaging , pregnancy , twin pregnancy , umbilical cord , obstetrics , intrauterine growth restriction , fetus , pathological , radiology , anatomy , pathology , biology , genetics
We report two cases of clinically suspected placental hypocirculation, as per evidenced by specific half‐Fourier acquisition single‐shot turbo spin‐echo ( HASTE ) magnetic resonance findings of the whole placenta. Patient 1 was a case of fetal growth restriction caused by pregnancy‐induced hypertension, while patient 2 experienced a discordant dichorionic diamniotic twin pregnancy with fetal growth restriction complication with a velamentous insertion of the umbilical cord in the smaller twin. In both cases, HASTE images showed noticeably decreased signal intensity with high‐intensity signal spots present in the central region of the placenta. In the twin pregnancy case, the low‐intensity signal area in the placenta of the smaller twin was much lower compared to that of the larger twin. Pathological findings failed to support or explain these observations. HASTE images might reflect compensatory alternation of the distribution of maternal blood and villus caused by hypocirculation. In conclusion, our results suggest that HASTE imaging might be a useful approach for the visualization of placental hypocirculation.

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