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Purpose:  Villous capillary lesions are rare abnormal placental developmental conditions which include chorangiosis, chorangiomatosis, chorangioma and a rare variant of the latter called multiple chorangioma syndrome. The causes of villous capillary lesion are not completely clear but appear to involve excessive angiogenesis. In this paper we start illustrating our experience of multifocal chorangiomatosis with the newborn affected by massive umbilical vein thrombosis, disseminated intravascular coagulopathy and hydrops, going to a literature review of cases available. Results:  Two other similar cases have been previously published in literature. Comparing clinical characteristics and fetal outcomes, we confirm the association with unfavorable neonatal outcome mentioned in literature. Our case is the first characterized by severe hemolytic anemia, thrombocytopenia, heart congestion with the overlap of disseminated intravascular coagulopathy and massive umbilical vein thrombosis and congenital anomalies. Our clinical case and the review of literature highlight how multifocal chorangiomatosis, within the three subgroups identified, is the rarer form with distinct placental features and the worst outcomes for neonates. No cases of multifocal chorangiomatosis have never been described prenatally and, for further studies, could be reasonable investigate the involvement of some growth factors like vascular endothelial growth factor and placental growth factor that could lead to a detection of a subgroup of patient at higher risk to manifest placental vascular lesions and the follow fetal and maternal complications.

the journal of maternal-fetal and neonatal medicine

Fetal disseminated intravascular coagulopathy, hydrops and massive umbilical vein thrombosis consequence of a rare placental condition: multifocal chorangiomatosis