TY - JOUR T1 - Aqueduct compression from venous angioma: MR findings. JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 458 LP - 460 VL - 17 IS - 3 AU - C C Blackmore AU - A C Mamourian Y1 - 1996/03/01 UR - http://www.ajnr.org/content/17/3/458.abstract N2 - Vascular compression as the cause of aqueductal stenosis is rare. In a 16-year-old girl with hydrocephalus, MR imaging provided evidence of aqueductal stenosis caused by a venous angioma in the tectum and midbrain. This indicates the usefulness of MR imaging for the evaluation of obstructive hydrocephalus. ER -