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Title: Morphological evaluation of lateral ventricles of fetuses with ventriculomegaly by three-dimensional ultrasonography and magnetic resonance imaging: correlation with etiology
Authors: Haratz, Karina Krajden [UNIFESP]
Machado Nardozza, Luciano Marcondes [UNIFESP]
Oliveira, Patricia Soares de [UNIFESP]
Rolo, Liliam Cristine [UNIFESP]
Figuinha Milani, Herbene Jose [UNIFESP]
Sa Barreto, Enoch Quindere de [UNIFESP]
Araujo Junior, Edward [UNIFESP]
Ajzen, Sergio Aron [UNIFESP]
Moron, Antonio Fernandes [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Keywords: Fetuses
Three-dimensional ultrasonography
Magnetic resonance imaging
Issue Date: 1-Aug-2011
Publisher: Springer
Citation: Archives of Gynecology and Obstetrics. Heidelberg: Springer Heidelberg, v. 284, n. 2, p. 331-336, 2011.
Abstract: To evaluate morphology of lateral ventricles of ventriculomegaly/hydrocephaly fetuses using 3D-sonography by virtual organ computer-aided analysis (VOCAL) technique and magnetic resonance imaging (MRI) and verify morphologic patterns related to etiology.Seventeen fetuses presenting with ventricular enlargement (atria > 10 mm) were evaluated. 3D datasets were acquired from a coronal reference plane and post-processed by the rotational imaging using VOCAL 30(o). MRI study was analyzed in the three plans in all sequences. Morphologic aspects such as global shape, anterior, posterior and inferior horn characteristics, wall irregularities and deformities were analyzed and related to etiology factor.Twenty-nine percent of the cases were secondary to Arnold-Chiari syndrome and presented with global dilation of the three-horns. Cases related to aqueduct stenosis presented with ependymal rupture and wall irregularities in advanced cases. Corpus callosum agenesis cases presented with small ventricular volumes, thin shape, normal or slightly enlarged anterior and inferior horns with dilation restricted to posterior horn. Cases related to trisomy 18 and cytomegalovirus presented irregular ventricular walls associated with anomalous ventricular shapes, suggesting parenchymal destruction.Ventricular morphology evaluation gives important information on etiology of ventricular enlargement, supporting prognosis prediction and decision making process of the affected fetuses and their families.
ISSN: 0932-0067
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