Transverse sinus

Davis, M., and D Aquilla, R. (1976) Acute intravenous infusion in freely moving rats through the sagittal and transverse sinuses. Pharmacol. Biochem. Behav., 4 469-472. 

In asymptomatic cases, the occlusion of an isolated sinus is typically compensated by collaterals or in case of the transverse sinus by a contralateral sinus of adequate size (Thron 2001). 

The unilateral hypoplastic transverse and sigmoid sinus with compensation via the contralateral transverse sinus. 

Fig. 18.1. Venous anatomy in digital subtraction angiography (DSA) in lateral projection. FV, frontal veins PV, parietal veins OV, occipital veins SSS, superior sagittal sinus ISS, inferior sagittal sinus TS, transverse sinus SIS, sigmoid sinus IJV, internal jugular vein SS, straight sinus CS, confluens sinuum VL, vein of I.abbe SV, sylvian vein CS, cavernous sinus VG, vein of Galen 1CV, internal cerebral vein IJV, internal jugular vein...

Fig. 18.11. 3D PC MR venography. There is only minimal flow in the area of the left transverse sinus. As these images do not give any anatomical information the evaluation must include images (CT or MRI) which provide the information whether this dural sinus is present and occluded or whether it is hypo-/aplastic...

Bono F, Lupo MR, Lavano A, Mangone L, Fera F, Pardatscher K, Quattrone A (2003) Cerebral MR venography of transverse sinuses in subjects with normal CSF pressure. Neurology 61 1267-1270... 

Fig. 6.22 Venous thrombus and venous infarct. 2D TOP MRV (a) and MIP image of the MR venogram (b) show absent flow in the left transverse sinus corresponding to thrombus arrow).

Fig. 4.3. Typical locations of intracranial dural arterial malformations. 1, anterior fossa 2, cavernous sinus 3, transverse sinus 4, sigmoid sinus 5, confluens sinuum 6, foramen magnum 7, tentorial incisura 8, base of the tentorium 9, straight sinus and vein of Galen...

Confluens sinuum Superior sagittal sinus, transverse sinuses, straight sinus, occipital veins, temporal veins... 

The free or inner concave border forms the tentorial notch, which surround the midbrain and is classically described as attaching to the anterior clinoid processes of the sphenoid. The attached or outer convex border is classically described as attaching to five areas the transverse ridge of the sulcus of the transverse sinus of the occiput, the posteroinferior angle of the parietal bone at the asterion, the mastoid portion of the temporal bone, the petrous ridge of the temporal bone, and the posterior clinoid process of the sphenoid. 

The transverse sinuses lie in the attached margin of the tentorium cerebelli and extend from the area of the confluence of sinuses (internal occipital protuberance) to the jugular fossae. They lie in grooves in the occipital squama and mastoid angles of the parietals. The transverse... 

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