Close
 Indian J Med Microbiol  
 

Gentle hand injection in the petrosal sinus fills the cavernous sinus retrogradely, and also opacifies the contralateral petrosal sinus (open arrowhead), through intercavernous communications (arrowhead), serving as a guide to cannulate it.

Gentle hand injection in the petrosal sinus fills the cavernous sinus retrogradely, and also opacifies the contralateral petrosal sinus (open arrowhead), through intercavernous communications (arrowhead), serving as a guide to cannulate it.