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AJNR - American Journal of Neuroradiology

Published ahead of print on March 20, 2008
doi: 10.3174/ajnr.A1038

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Prenatal and Neonatal MR Imaging Findings in Oral-Facial-Digital Syndrome Type VI

A. Poretti^a, U. Brehmer^b, I. Scheer^b, V. Bernet^c and E. Boltshauser^a

^a Department of Pediatric Neurology, University Children's Hospital of Zurich, Zurich, Switzerland
^b Diagnostic Imaging, University Children's Hospital of Zurich, Zurich, Switzerland
^c Department of Neonatology and Intensive Care, University Children's Hospital of Zurich, Zurich, Switzerland

View larger version (67K): [in this window] [in a new window]   Fig 1. Fetal T2-weighted MR imaging at 29 gestational weeks. A, Axial MR image showing hypoplasia of both cerebellar hemispheres, the characteristic MTS (thin arrow) with thickened and elongated superior cerebellar peduncles and an abnormally deep interpeduncular fossa, and an HH (thick arrow). B, Sagittal MR image revealing significant hypoplasia of the cerebellar vermis (arrow), an enlarged fourth ventricle and posterior fossa, an HH (white arrow), and a thin brain stem. C, Coronal MR image demonstrating an HH (white arrow).

View larger version (61K): [in this window] [in a new window]   Fig 2. T2-weighted MR imaging at 2 days of age. A, Axial MR image showing hypoplasia of the vermis and both cerebellar hemispheres, the characteristic MTS (thin arrow) with thickened and elongated superior cerebellar peduncles, an abnormally deep interpeduncular fossa, and an HH (thick arrow). B, Sagittal MR image revealing significant hypoplasia of the cerebellar vermis and dysplasia of the remnants of the cerebellar vermis (arrow), an enlarged fourth ventricle and posterior fossa, and an HH (white arrow). In addition, the corpus callosum and the brain stem are hypoplastic, the pituitary stalk is thick, and the interthalamic adhesion is large. C, Coronal MR image demonstrating an HH (arrow), a missing left leaf of the septum pellucidum, a bulky left fornix, and a probably dysplastic cerebral cortex in the left Sylvian fissure.