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AJNR - American Journal of Neuroradiology

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Occlusion of the Middle Cerebral Artery due to Synthetic Fibers

R. Chapot^a, M. Wassef^b, A. Bisdorff^a, A. Rogopoulos^a, J.-J. Merland^a and E. Houdart^a

^a Department of Interventional Neuroradiology, Hôpital Lariboisière, Paris, France
^b Department of Pathology, Hôpital Lariboisière, Paris, France

View larger version (148K): [in a new window]   Fig 1. Lateral projection of the left internal carotid artery after insertion of the microcatheter showing an acute occlusion of the middle cerebral artery.

View larger version (160K): [in a new window]   Fig 2. Immediate angiographic control after removal of the thrombus with a goose-neck microsnare. The thrombus can be seen at the level of the carotid siphon (arrow).

View larger version (141K): [in a new window]   Fig 3. Removal of the thrombus that is caught in the goose-neck microsnare.

View larger version (80K): [in a new window]   Fig 4. A, Macroscopic view of the thrombus showing fibers inside the platelets aggregates. B, Polarized light showing the presence of foreign bodies inside the thrombus. C, Regular oval-shaped fibers suggesting a synthetic origin.

View larger version (100K): [in a new window]   Fig 5. Unsealed gauze furnished in the vascular set. Spontaneous leakage of unattached fibers may be seen after minimal handling of the gauze.