sinus

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Related to petrosal sinus: cavernous sinus, Dural venous sinuses
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Synonyms for sinus

References in periodicals archive ?
In the present rare case, the dAVF was located in the superior petrosal sinus and drained into the perimedullary vein.
The source of ACTH must be defined; the only way to do this is inferior petrosal sinus ACTH after corticotropin-releasing hormone stimulus.
The traditional approach has been embolizing the fistula from arterial approach however, in some cases due to multiple arterial feeders transvenous embolization is also adopted and cavernous sinus is directly occluded via inferior petrosal sinus approach.
In the presence of hypercortisolism, an unequivocal pituitary/periphery ACTH gradient (peak dominant inferior petrosal sinus to peripheral ACTH ratio >2.
The close position of the superior petrosal sinus and the internal carotid artery to the posterior clinoid process, makes it vulnerable to injuries and thus it is important for the neuro-surgeons performing clinoidectomy operations.
1) The VPVC receives several veins from the endolymphatic sac and drains into the inferior petrosal sinus or directly into the jugular bulb (figure 4).
This procedure is called inferior petrosal sinus sampling.
Inferior Petrosal Sinus Sampling in the Diagnosis of Pituitary Adenomas
Subsequent bilateral inferior petrosal sinus sample (BIPSS) was performed for the localization diagnosis [Figure 1]d, which demonstrated adrenocorticotrophic hormone (ACTH) level of inferior petrosal sinus and femoral vein at 0 min were 691.
Bilateral simultaneous inferior petrosal sinus sampling (BIPSS) is a highly sensitive but invasive method used in the differential diagnosis of ACTH-dependent CS.
If the source of ACTH cannot be localized conclusively, bilateral inferior petrosal sinus sampling may be necessary.
Inferior petrosal sinus sampling (IPSS) was performed only in one patient and confirmed the diagnosis of CD.