title: [Fetal cardiac tumors].
abstract: OBJECTIVE
  Fetal cardiac tumors are rare and have a different histology than in adults: in the fetus, rhabdomyoma is more prevalent, but myxoma has not been described. We report our experience with nine fetuses with prenatally diagnosed primary cardiac tumours.
  
  
  METHODS
  This is an observational and descriptive study of fetuses investigated because of the prenatal and echographic diagnosis of heart tumors.
  
  
  RESULTS
  There were nine fetuses with thirteen cardiac masses among more than 700 fetal echocardiographic studies performed by pediatric cardiologists. Histology was available in four of them; three rhabdomyomas and once cavernous hemangioma. In one of the cases, the parents elected to interrupt the pregnancy; three patients died in the neonatal period (two as a direct consequence of the tumors and one due to sepsis) and we have no histological information regarding any of the other five fetuses. The subjects who survived beyond the neonatal period are mostly doing well. However, one developed tuberous sclerosis and another developed a hypoplastic left heart syndrome, perhaps due to the massive restriction of flow across the foramen ovale. The tumors in the other cases were well tolerated and hemodynamic or arrhythmic consequences were minimal of absent. No women with risk factors such as tuberous sclerosis were included in our study.
  
  
  CONCLUSIONS
  Fetal cardiac tumors are rare and display a different histology. We recommend a conservative approach to treatment.
authors.affiliation: Sección de Cardiología Pediátrica, Hospital Materno-Infantil 12 de Octubre, Madrid.
authors.forename: F
authors.initials: F
authors.lastname: Gutiérrez-Larraya Aguado
authors.forename: A
authors.initials: A
authors.lastname: Galindo Izquierdo
authors.forename: J I
authors.initials: JI
authors.lastname: Olaizola Llodio
authors.forename: M T
authors.initials: MT
authors.lastname: Sotelo Rodríguez
authors.forename: G
authors.initials: G
authors.lastname: Merino Batres
authors.forename: J M
authors.initials: JM
authors.lastname: Velasco Bayón
authors.forename: A
authors.initials: A
authors.lastname: Pérez Martínez
authors.forename: J
authors.initials: J
authors.lastname: de Castro Fernández
authors.forename: D
authors.initials: D
authors.lastname: Ordóñez Pérez
authors.forename: P
authors.initials: P
authors.lastname: de la Fuente Pérez
mesh_terms: D004452:Echocardiography; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000473:pathology; D006338:Heart Neoplasms / Q000000981:diagnostic imaging / Q000196:embryology* / Q000473:pathology; D006392:Hemangioma, Cavernous / Q000000981:diagnostic imaging / Q000196:embryology / Q000473:pathology; D006801:Humans; D008297:Male; D009206:Myocardium / Q000473:pathology; D011247:Pregnancy; D012207:Rhabdomyoma / Q000000981:diagnostic imaging / Q000196:embryology / Q000473:pathology; D016216:Ultrasonography, Prenatal