MULTIPLE MYCOTIC ANEURYSMS OF INTERNAL CAROTID ARTERIES CAUSED BY OSTEOMYELITIS OF SKULL

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We presented a case with multiple mycotic aneurysms of the internal carotid arteries, which were located in the carotid canals and on the base of the skull and considered to be caused by osteomyelitis of the skull, namely extravascular in origin. Carotid angiography showed seven saccular aneurysms with an irregular contour, which were stalked or sessile, one in the right and two in the left at the cavernous portion and two at the canal portion on both sides. No literature was found on the study on the multiple mycotic aneurysms of extravascular origin, located at these portions. Based on the clinical course, the location and multiplicity of the aneurysms, we concluded that thrombophlebitis of the diploic veins and cavernous sinuses occurred secondary to the osteomyelitis of the skull and the microorganisms were transferred into the venous plexuses of the carotid canals by way of the venous system bilaterally, developing the aneurysms of extravascular origin.