RT Journal Article
SR Electronic
T1 Variations of Intracranial Dural Venous Sinus Diameters from Birth to 20 Years of Age: An MRV-Based Study
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 2351
OP 2357
DO 10.3174/ajnr.A6816
VO 41
IS 12
A1 A.S. Larson
A1 G. Lanzino
A1 W. Brinjikji
YR 2020
UL http://www.ajnr.org/content/41/12/2351.abstract
AB BACKGROUND AND PURPOSE: The role of the dural venous sinus system in cerebrovascular pathology and the understanding of normal developmental patterns and sizes of the dural venous sinus system continue to expand. The purpose of this study was to review MR venograms to elucidate developmental patterns and diameters of the major dural venous sinuses from 0 to 20 years of age.MATERIALS AND METHODS: All available MR venograms of patients 0–20  years of age who presented to our institution were retrospectively reviewed. Patient age at the time of image acquisition was noted, and measurements were taken of the diameters of the major dural venous sinuses. The presence of embryonic sinuses including the persistent falcine sinus and the occipital sinus was noted. Dominance patterns of the transverse sinus system were determined. Mean diameters of each sinus were plotted as a function of age. The prevalence of persistent prenatal sinuses and transverse sinus–dominance patterns was compared across ages.RESULTS: A total of 429 MR venograms from 429 patients were reviewed. All dural venous sinuses demonstrated a maximal growth rate from 0 to 7 years of age and reached maximal diameters around 5–10 years of age. The prevalence of falcine sinuses and occipital sinuses trended downward across increasing age categories (P = .09 and, <.0001, respectively).CONCLUSIONS: Dural venous sinuses demonstrate maximal growth between 0 and 7 years of age and reach adult size around 5–10 years of age. Involution of the prenatal sinuses continues to take place after birth into childhood but is largely absent in early adulthood.DVSdural venous sinusSSSsuperior sagittal sinusVOGvein of Galen