Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death

Massive subchorionic thrombohematoma (MST), termed Breus’ mole, is a rare condition in which a large maternal blood clot separates the chorionic plate from the villous chorion. Common complications of MST include fetal growth restriction, preeclampsia, and intrauterine fetal death. Here, we present...

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Main Authors: Miyuki Miyagi, Tadatsugu Kinjo, Keiko Mekaru, Hayase Nitta, Hitoshi Masamoto, Yoichi Aoki
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Case Reports in Obstetrics and Gynecology
Online Access:http://dx.doi.org/10.1155/2019/9510936
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author Miyuki Miyagi
Tadatsugu Kinjo
Keiko Mekaru
Hayase Nitta
Hitoshi Masamoto
Yoichi Aoki
author_facet Miyuki Miyagi
Tadatsugu Kinjo
Keiko Mekaru
Hayase Nitta
Hitoshi Masamoto
Yoichi Aoki
author_sort Miyuki Miyagi
collection DOAJ
description Massive subchorionic thrombohematoma (MST), termed Breus’ mole, is a rare condition in which a large maternal blood clot separates the chorionic plate from the villous chorion. Common complications of MST include fetal growth restriction, preeclampsia, and intrauterine fetal death. Here, we present a case of a 17-year-old Japanese woman referred to our institution at 21 weeks of gestation. Ultrasound examination revealed a large placental mass with mixed high and low echogenicity measuring approximately 7.6 cm in thickness. Doppler examination showed absence of end-diastolic velocity of the umbilical artery. At 22 weeks of gestation, the patient had a stillbirth weighing 138g. The placenta weighed 502 g and was 8 cm thick, and the total blood loss was 270 g. Macroscopic examination revealed that a subchorionic blood clot measuring 12 cm × 5 cm covered a large portion of the placenta with well-defined margins on the fetal surface. Microscopic examination revealed an intervillous hematoma and fibrinous deposits directly beneath the chorionic plate with adjacent compressive effects. Based on these findings, MST was diagnosed. Because MST is rare, it must be considered in the differential diagnosis of parental conditions. Magnetic resonance imaging can be optimal for diagnosing MST when ultrasound diagnosis is difficult.
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spelling doaj-art-fe112a62bdcd412dbff63578decd17202025-02-03T06:04:56ZengWileyCase Reports in Obstetrics and Gynecology2090-66842090-66922019-01-01201910.1155/2019/95109369510936Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal DeathMiyuki Miyagi0Tadatsugu Kinjo1Keiko Mekaru2Hayase Nitta3Hitoshi Masamoto4Yoichi Aoki5Department of Obstetrics and Gynecology, Graduate School of Medicine, University of the Ryukyus, 207 Uehara Nishihara, Okinawa 903-0215, JapanDepartment of Obstetrics and Gynecology, Graduate School of Medicine, University of the Ryukyus, 207 Uehara Nishihara, Okinawa 903-0215, JapanDepartment of Obstetrics and Gynecology, Graduate School of Medicine, University of the Ryukyus, 207 Uehara Nishihara, Okinawa 903-0215, JapanDepartment of Obstetrics and Gynecology, Graduate School of Medicine, University of the Ryukyus, 207 Uehara Nishihara, Okinawa 903-0215, JapanDepartment of Obstetrics and Gynecology, Graduate School of Medicine, University of the Ryukyus, 207 Uehara Nishihara, Okinawa 903-0215, JapanDepartment of Obstetrics and Gynecology, Graduate School of Medicine, University of the Ryukyus, 207 Uehara Nishihara, Okinawa 903-0215, JapanMassive subchorionic thrombohematoma (MST), termed Breus’ mole, is a rare condition in which a large maternal blood clot separates the chorionic plate from the villous chorion. Common complications of MST include fetal growth restriction, preeclampsia, and intrauterine fetal death. Here, we present a case of a 17-year-old Japanese woman referred to our institution at 21 weeks of gestation. Ultrasound examination revealed a large placental mass with mixed high and low echogenicity measuring approximately 7.6 cm in thickness. Doppler examination showed absence of end-diastolic velocity of the umbilical artery. At 22 weeks of gestation, the patient had a stillbirth weighing 138g. The placenta weighed 502 g and was 8 cm thick, and the total blood loss was 270 g. Macroscopic examination revealed that a subchorionic blood clot measuring 12 cm × 5 cm covered a large portion of the placenta with well-defined margins on the fetal surface. Microscopic examination revealed an intervillous hematoma and fibrinous deposits directly beneath the chorionic plate with adjacent compressive effects. Based on these findings, MST was diagnosed. Because MST is rare, it must be considered in the differential diagnosis of parental conditions. Magnetic resonance imaging can be optimal for diagnosing MST when ultrasound diagnosis is difficult.http://dx.doi.org/10.1155/2019/9510936
spellingShingle Miyuki Miyagi
Tadatsugu Kinjo
Keiko Mekaru
Hayase Nitta
Hitoshi Masamoto
Yoichi Aoki
Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death
Case Reports in Obstetrics and Gynecology
title Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death
title_full Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death
title_fullStr Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death
title_full_unstemmed Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death
title_short Massive Subchorionic Thrombohematoma (Breus’ Mole) Associated with Fetal Growth Restriction, Oligohydramnios, and Intrauterine Fetal Death
title_sort massive subchorionic thrombohematoma breus mole associated with fetal growth restriction oligohydramnios and intrauterine fetal death
url http://dx.doi.org/10.1155/2019/9510936
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