petrosal sinus


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Related to petrosal sinus: cavernous sinus, Dural venous sinuses

in·fe·ri·or pe·tro·sal si·nus

[TA]
a paired dural venous sinus running in the groove on the petrooccipital fissure connecting the cavernous sinus with the superior bulb of the internal jugular vein.
Synonym(s): sinus petrosus inferior [TA]

petrosal sinus

The superior or the inferior petrosal sinus.
See also: sinus
References in periodicals archive ?
To further investigate bilateral inferior petrosal sinus sampling was performed.
Inferior petrosal sinus sampling is an invasive test in which the venous channels draining pituitary gland are sampled for ACTH levels.
Venous congestion leading to brainstem masses like lesions seem to be related to the involvement of the right superior petrosal vein, which is connected to the superior petrosal sinus superiorly and to the anterior spinal vein inferiorly.
Diagnostic errors aider inferior petrosal sinus sampling.
Since the superficial petrosal sinus is also related to the region of the PCP, it is essential to have a previous good anatomical knowledge before exploring any of these structures i.e.
Assessing the value of bilateral inferior petrosal sinus sampling in the diagnosis and treatment of a complex case of Cushing's disease.
Catheters were advanced from the groin to each inferior petrosal sinus. Before drawing blood samples from each petrosal sinus, angiography with injection of contast dye and fluoroscopic imaging assessment were performed.
Routine inferior petrosal sinus sampling in the differential diagnosis of adrenocorticotropin (ACTH)-dependent Cushing's syndrome: early recognition of the occult ectopic ACTH syndrome.
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.
Inferior petrosal sinus sampling (IPSS) was performed only in one patient and confirmed the diagnosis of CD.
STJ = Sigmoid-transverse sinus junction, TS = Transverse sinus, SS = Sigmoid sinus, CS = Confluence of sinuses, SP = Superior petrosal sinus, IP = Inferior petrosal sinus, n = neddle.
The glossopharyngeal nerve and inferior petrosal sinus share the anterior compartment, the vagus nerve and accessory nerve lie within the middle compartment, while the large posterior compartment is occupied by the termination of the sigmoid sinus (Sinnatamby).