parasitic twin

(redirected from Acardiac twin)

par·a·sit·ic twin

the smaller of unequal conjoined twins.

parasitic twin

The smaller of a pair of conjoined twins, when there is a marked disparity in size.
See also: twin
References in periodicals archive ?
Para la construccion del algoritmo, se realizo una busqueda de literatura en las bases de datos Hinari y Pubmed con las palabras clave: acardiac twin, conjoined twins, congenital teratoma, fetus in fetus, macerated co-twin.
A case report and literature review regarding acardiac twin pregnancy coexisting with anencephalic twin, associated with being exposed to chicken pox during the first trimester of pregnancy
Since the acardiac twin would not survive," reported the surgeons in the Massachusetts case, "the incision for separation was performed far toward her side of the fusion plane so that her tissue could be used to achieve complete closure of the ventral defect in the surviving twin.
Con las siguientes palabras clave: acardiac fetus, acardiac twin y twin reversed arterial perfusion secuence, se hizo la busqueda en las bases de datos de Medline y Ovid de la literatura publicada en idioma ingles desde el ano 1989 hasta el 2007.
Acardiac twin or TRAP sequence is a rare complication of monochorionic twin pregnancies.
A presumptive diagnosis of acardiac twin was made and she was sent for expert opinion scan which showed--Diamniotic Monochorionic twin gestation.
Twin pregnancy with acardiac results from an artery-to-artery placental anastomosis in which the pump twin, morphologically normal, perfuses the abnormal acardiac twin in a reversed circulation.
The donor twin pumps deoxygenated blood via vascular anastomosis to acardiac twin.
INTRODUCTION: Acardiac twin is an anomaly unique to monochorionic multiple pregnancies, characterized by formation of malformed fetus with an absent or rudimentary (nonfunctional) heart.
Reversed blood flow in the umbilical artery of the acardiac twin causes atrophy of the heart and other organs.
3] Umur et al used a modified hemodynamic resistance model and predicted that the pump twin has excess blood volume and increased mean arterial blood pressure compared to those in the acardiac twin.