Study | No of subjects | % Men | Mean (range) age, years | Study type (technique) | Reported anatomical data |
Ahmed et al, 201843 | 204 | 47.1 | ns (2–75) | Primary (cross-sectional imaging: MRV) | Vein of Trolard: occurrence, laterality |
Andrews et al, 198944 | 10 | 45 | 27 (2 months–76) | Primary (cadaveric dissection) | SSS: diameter, number of branches Vein of Trolard: linear length, anastomosis angle to SSS |
Bruno-Mascarenhas et al, 201745 | 60 | 50 | 39.22 (20–59) | Primary (cadaveric dissection) | SSS: diameter, arc length, number of branches Vein of Trolard: occurrence, distance from central sulcus, number of branches |
Fang et al, 201546 | 90 | 58.9 | 41 (10–78) | Primary (cross-sectional imaging: CTA) | Vein of Trolard: occurrence |
Haroun et al, 2007a47 | 98 | 85 | 27 (2 months–76) | Primary (cross-sectional imaging: MRV) | Vein of Trolard: occurrence |
Haroun et al, 2007b48 | 110 | 45 | 27 (2 months–76) | Primary (cross-sectional imaging: MRI/MRV) | Arachnoid granulations: size, prevalence, morphology |
Houck et al, 201949 | 682 | 40.9 | 73.9 (SD 5.93) | Primary (cross-sectional imaging: MRI) | SSS: diameter |
Ikushima et al, 200650 | 404 | 40.6 | 49.8 (2–84) | Primary (cross-sectional imaging: MRI) | Vein of Trolard: occurrence, distance from central sulcus |
Naidoo et al, 202221 | 100 | 40 | Median: 30–39 (ns) | Primary (conventional angiography) | Vein of Trolard: occurrence, diameter (variation with age) |
Oka et al, 198528 | 10 | ns | ‘Adult’ | Primary (cadaveric dissection) | Vein of Trolard: diameter, linear length, number of branches, anastomosis angle to SSS Rolandic vein: distance from central sulcus, linear length, number of branches, anastomosis angle to SSS |
Oxley et al, 201641 | 50 | 40 | 34.5 (18–73) | Primary (cross-sectional imaging: MRI) | Rolandic vein: diameter, arc length |
Santos Silva et al, 2014 | 59 | 36 | ns (13–65) | Primary (conventional angiography) | Vein of Trolard: diameter |
Tomasi et al, 202114 | 21 | 57 | 71 (51–88) | Primary (cadaveric dissection) | Vein of Trolard: distance from central sulcus |
Widjaja et al, 2004 | 50 | ns | Median: 5 (0–17) | Primary (cross-sectional imaging: MRV) | Vein of Trolard: occurrence |
Yagmurlu et al, 2022 | 8 | ns | ns | Primary (cadaveric dissection) | Arachnoid granulations: size, prevalence |
Karatas et al, 202323 | 20 | 40 | 74 (46–92) | Primary (cadaveric dissection) | Vein of Trolard: diameter, occurrence |
Brockmann et al, 201124 | 30 | 50 | 46.8 (24–84) | Primary (cross-sectional imaging: CTA) | SSS: diameter, arc length, number of branches |
Sampei et al, 199633 | 21 | 66.7 | ns | Primary (cadaveric dissection) | Small cortical vessels: diameter |
Han et al, 200725 | 66 | 59.1 | 46.8 (11–90) | Primary (cadaveric dissection; DSA) | SSS: number of branches Small cortical vessels: diameter |
CTA, CT angiography; DSA, digital subtraction angiography; MRI, magnetic resonance imaging; MRV, magnetic resonance venography; ns, not specified.