منابع مشابه
A Novel Approach to High Resolution Fetal Brain MR Imaging
This paper describes a novel approach to forming high resolution MR images of the human fetal brain. It addresses the key problem of motion of the fetus by proposing a registration refined compounding of multiple sets of orthogonal fast 2D MRI slices, that are currently acquired for clinical studies, into a single high resolution MRI volume. A robust multi-resolution slice alignment is applied ...
متن کاملMR imaging methods for assessing fetal brain development.
Fetal magnetic resonance imaging provides an ideal tool for investigating growth and development of the brain in vivo. Current imaging methods have been hampered by fetal motion but recent advances in image acquisition can produce high signal to noise, high resolution 3-dimensional datasets suitable for objective quantification by state of the art post acquisition computer programs. Continuing ...
متن کاملFetal Ventriculomegaly: Investigating Additional Brain Abnormalities by using MR Imaging
Background and Purpose: Fetal ventriculomegaly (VM), is known to have a prevalence of association with other brain abnormalities. By using in utero MR imaging (iuMR), we aimed to determine the prevalence of brain abnormalities other than VM and investigate the hypothesis that the prevalence of having additional brain abnormalities (ABA) increases with the degree of VM. Materials and Methods: We...
متن کاملPrenatal diagnosis of fetal ventriculomegaly: Agreement between fetal brain ultrasonography and MR imaging.
BACKGROUND AND PURPOSE Accurate measurement of the lateral ventricles is of paramount importance in prenatal diagnosis. Possible conflicting classifications caused by their measurement in different sectional planes by sonography and MR imaging are frequently raised. The objective of our study was to evaluate the agreement between ultrasonography and MR imaging in the measurement of the lateral ...
متن کاملUltrafast, Intrauterine MR Imaging of Fetal Malformation
Introduction Until recently, in utero fetal magnetic resonance imaging (MRI) had minimal clinical utility due to marked interference from motion artifacts. Technical advances in the MR soft (ultrafast sequences) and hard ware (fast gradients, surface coils) now allow to apply MRI for prenatal diagnosis. The aim of this study was to evaluate the ultrafast, T2weighted single shot fast spin-echo (...
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ژورنال
عنوان ژورنال: Pediatric Radiology
سال: 2009
ISSN: 0301-0449,1432-1998
DOI: 10.1007/s00247-009-1459-3