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Learning disabilities represent the main childhood complication in neurofibromatosis type 1 (NF1). Patients frequently exhibit T2-weighted hyperintensities called unidentified bright objects (UBOs) on brain magnetic resonance imaging (MRI), with unclear relationship to such cognitive disabilities. This study aimed to determine whether thalamo-striatal UBOs(More)
Facial port-wine stain (PWS) may be associated with cerebrovascular abnormalities such as Sturge-Weber syndrome (SWS). In a large series, we aimed to assess which topography of facial PWS can predict SWS. This was a cross-sectional study of consecutive patients with facial PWS seen in pediatric dermatologic or angiodysplasia consultations from 1993 to 2005(More)
The purpose of our study is to trace in vivo and during the perinatal period, the brain maturation process with exhaustive measures of the T2 relaxation time values. We also compared regional myelination progress with variations of the relaxation time values and of brain signal. T2 relaxation times were measured in 7 healthy premature newborns at the(More)
We report 2 cases of thoracic neural crest tumors complicating the course in patients with Beckwith-Wiedemann syndrome (BWS). In the first patient, a thoracic neuroblastoma was fortuitously discovered at age 3 months on a chest film prior to a partial glossectomy. In the follow-up left nephroblastoma and a right kidney simple cyst appeared. In the second(More)
INTRODUCTION The aim of this work was to determine the usefulness of systematic liver sonography in patients with immature cutaneous hemangiomas. PATIENTS AND METHODS Children with immature cutaneous hemangiomas who met inclusion criteria underwent liver sonography. RESULTS No case of hepatic angioma was observed. CONCLUSIONS Liver sonography is not(More)
PURPOSE The purpose of our study was to prospectively evaluate 3D time-of-flight (TOF) MR angiography (MRA) in the follow-up of 27 intracranial aneurysms treated with Guglielmi detachable coils (GDCs). METHOD From February 1997 to June 1998, 26 patients with 27 aneurysms were included in this prospective study. Aneurysms were located in the anterior(More)
We studied the morphometric MRI findings and their correlation with cognitive functions in a population of 10 young adults shunted for congenital hydrocephalus related to spina bifida. Morphometric MRI analysis included measurement of the ventricular dilatation index, frontal and occipital parenchymal thickness and the size of the corpus callosum. The(More)
Each kind of superficial vascular malformation (or "angioma") has been included in a widespread classification that has been elaborated by means of a multidisciplinary approach. At present, therapeutic management of these vascular malformations often needs one or several procedures of interventional radiology. The purpose of this paper in to illustrate(More)