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Related to inferior petrosal sinus: cavernous sinus
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  • noun

Synonyms for sinus

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Assessing the value of bilateral inferior petrosal sinus sampling in the diagnosis and treatment of a complex case of Cushing's disease.
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.
If this failed, venous access was made and the cavernous sinus was cannulated with microcatheter from either the inferior petrosal sinus route or through angular / ophthalmic vein and embolization was done by using pushable platinum coils (Figure-2) and/or cyanoacrylate glue.
In the presence of hypercortisolism, an unequivocal pituitary/periphery ACTH gradient (peak dominant inferior petrosal sinus to peripheral ACTH ratio >2.
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).
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