inferior petrosal sinus

(redirected from Inferior petrosal)

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]

inferior petrosal sinus

A dural sinus that drains the cavernous sinus posteriorly into the superior jugular bulb of the internal jugular vein.
See also: sinus

Englisch,

Josef, Austrian physician, 1835-1915.
Englisch sinus - 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): inferior petrosal sinus
References in periodicals archive ?
The gold standard CRH test is performed using bilateral inferior petrosal sinus sampling (9).
The source of ACTH must be defined; the only way to do this is inferior petrosal sinus ACTH after corticotropin-releasing hormone stimulus.
The patient was referred for inferior petrosal sinus vein sampling, which surprisingly did not show a central to peripheral ACTH gradient.
However, pituitary MRI was negative and inferior petrosal sampling did not show a central to peripheral ACTH gradient.
Bilateral inferior petrosal sinus sampling of ACTH level is considered the gold standard for differentiating between the two: it is elevated in Cushing's disease but is low or normal in EAS.
The reason for this difference likely lies in the lack of availability in their center of the inferior petrosal sampling (IPSS) test.
Diagnostic errors aider inferior petrosal sinus sampling.
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).
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.

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