Various vascular anomalies and variants of venous pulsatile tinnitus detected on venous phase computed tomography (CT) images in this study. Axial CT image; (a) Sigmoid sinus diverticulum (arrow) accompanying with a dehiscent sigmoid plate (arrowhead). Axial CT image; (b) A stenosis in right transverse sinus (arrow). Axial CT image; (c) A high jugular bulb (arrow) and axial CT image; (d) A right jugular bulb dehiscence (arrow). Coronal CT image; (e) A jugular bulb diverticulum (arrow). Sagittal CT image; (f) A petrosquamosal sinus running into the temporal bone (arrow). Axial CT image; (g) A filling defect (thrombosis) in the superior curve of right sigmoid sinus (arrow). Axial CT image; (h) A large emissary vein (arrow).Incidence of vascular anomalies and variants associated with unilateral venous pulsatile tinnitus in 242 patients based on dual-phase contrast-enhanced computed tomography. Dong C, Zhao PF, Yang JG, Liu ZH, Wang ZC - Chinese medical journal (2015). Not Altered. CC.