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Single-session percutaneous embolization with onyx and coils of sinus pericranii.
Background: Sinus pericranii (SP) is a rare vascular malformation consisting of an abnormal communication between the extra- and the intracranial venous system. It occurs due to the adhesion of vessels without a muscular layer or a hemangioma on the outer surface of the skull through diploic vessels, communicating with an intracranial venous sinus.
Case Description: A 10-month-old female presented with a pulsatile mass on the posterior parietal region. Investigation with brain vascular examinations showed a venous malformation communicating with the superior sagittal sinus under the scalp, without arterial feeder or nidus. An endovascular embolization with coils and a percutaneous embolization with Onyx ® were performed. The final venography showed complete exclusion of the lesion, which was gradually being absorbed.
Conclusion: This is the first case of an SP successfully treated in a single session by embolization with coils and onyx.
Case Description: A 10-month-old female presented with a pulsatile mass on the posterior parietal region. Investigation with brain vascular examinations showed a venous malformation communicating with the superior sagittal sinus under the scalp, without arterial feeder or nidus. An endovascular embolization with coils and a percutaneous embolization with Onyx ® were performed. The final venography showed complete exclusion of the lesion, which was gradually being absorbed.
Conclusion: This is the first case of an SP successfully treated in a single session by embolization with coils and onyx.
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