title: [Twin pregnancy with acardiac fetus. Contribution of echography to the diagnosis. Review of the literature apropos of a case].
abstract: An acardiac fetus is an extremely rare anomaly occurring only in twin pregnancies and its etiology is still controverted. Sonography must permit an early diagnosis, in order to anticipate the risks of the pregnancy and the delivery, as well as the future of the second twin.
mesh_terms: D009008:Abnormalities, Severe Teratoid / Q000175:diagnosis*; D000328:Adult; D004200:Diseases in Twins / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography
vernacular_title: Grossesse gémellaire avec foetus acardiaque. Apport de l'échographie au diagnostic. Revue de la littérature à propos d'un cas.