Related Experiment Video
Updated: Feb 8, 2026

Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model
Published on: November 4, 2021
Single-session percutaneous embolization with onyx and coils of sinus pericranii
Luana Antunes Maranha Gatto1, Guilherme Naves de Lima Alves1, Diego do Monte Rodrigues Seabra1
1Departments of Neurosurgery and Interventional Neuroradiology, Cajuru University Hospital of Pontifical Catholic University (HUC-PUC), Curitiba, Parana, Brazil.
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.
Related Concept Videos
Pulmonary Embolism I: Introduction
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
Pulmonary Embolism III: Nursing Management
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Load along a Single Axis
Consider a beam of length L subjected to a varying load, which is a combination of parabolic and trapezoidal load distribution along the x-axis. In this case, it is essential to determine the resultant loads, their locations, and...
Single Pipe Systems
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...

