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Ventriculography and cisternography with water-soluble contrast media in infants with myelomeningocele

Journal Article · · Radiology; (United States)
Fifty-four newborn infants with myelomeningocele and hydrocephalus were studied by ventriculography using water-soluble contrast media; 20 were also studied by metrizamide myeloencephalography and computerized tomographic (CT) cisternography. Ventriculography suggested that the aqueduct was patent in all cases. Outflow of contrast medium from the fourth ventricle was slow in most cases, complete obstruction was seen in 15%, communication was delayed at the outlet in 54%, and rather free communication was observedin 31%. Metrizamide myeloencephalography and CT cisternography suggested a partial block at the level of the ambient cisterns in approximately one-third of infants. These findings support the concept that flow of cerebrospinal fluid is reduced in several areas. Aqueductal stenosis was not considered an important factor in hydrocephalus, while the most important site of obstruction was felt to be the lowest portion of the fourth ventricle.
Research Organization:
Nagoya Univ. School of Medicine, Japan
OSTI ID:
5502811
Journal Information:
Radiology; (United States), Journal Name: Radiology; (United States) Vol. 143:1; ISSN RADLA
Country of Publication:
United States
Language:
English