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Table 2:

Variations in size measurements of cerebral venous system components by agea

Age Category (Years)
<11–56–1011–1516–20
No.25242170289
Right transverse sinus diameter (mm)3.7 (2.1)5.4 (2.8)8.1 (2.0)7.1 (2.2)7.6 (2.1)
Left transverse sinus diameter (mm)3.1 (2.2)5.9 (3.1)6.4 (2.5)6.4 (2.4)6.1 (2.0)
Torcula8.4 (4.1)13.3 (4.5)15.4 (3.4)16.5 (4.1)17.4 (4.1)
Superior sagittal sinus4.0 (1.5)7.4 (2.5)8.8 (1.6)8.6 (1.9)8.7 (1.6)
Straight sinus3.9 (1.1)5.4 (2.7)5.2 (1.6)5.2 (1.5)4.8 (1.3)
Vein of Galen3.2 (0.8)4.4 (1.1)4.8 (0.9)4.9 (1.0)4.8 (1.0)
Right sigmoid sinus5.0 (2.1)6.7 (1.4)8.6 (2.4)10.1 (2.4)10.0 (1.9)
Left sigmoid sinus4.0 (2.0)7.3 (2.8)8.0 (2.2)8.8 (2.5)9.0 (2.1)
Right internal jugular vein4.4 (1.5)6.8 (1.4)9.0 (2.2)9.9 (2.2)10.0 (2.2)
Left internal jugular vein3.9 (1.4)6.8 (2.8)7.4 (1.7)7.8 (2.2)8.1 (2.1)
  • a Data are mean diameters (SD).