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J Clin Med. 2018 Mar 7;7(3). pii: E48. doi: 10.3390/jcm7030048.

Facial Nerve Paralysis after Onyx Embolization of a Jugular Paraganglioma: A Case Report with a Long-Term Follow Up.

Author information

1
Division of Otolaryngology, Department of Special Surgery, King Abdullah University Hospital, Faculty of Medicine, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan. haallaodat@just.edu.jo.
2
Department of Radiology, King Abdullah University Hospital, Faculty of Medicine, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan. kzalawneh0@just.edu.jo.
3
Division of Otolaryngology, Department of Special Surgery, King Abdullah University Hospital, Faculty of Medicine, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan. malqudah@just.edu.jo.

Abstract

Jugular paragangliomas are slow growing highly vascular tumors arising from jugular paraganglia. The gold standard of treatment is complete surgical resection. Pre-operative embolization of these highly vascular tumors is essential to reduce intra-operative bleeding, allow safe dissection, and decrease operative time and post-operative complications. Onyx (ethylene-vinyl alcohol copolymer) has been widely used as permanent occluding material for vascular tumors of skull base because of its unique physical properties. We present the case of a 33-year-old woman who had left-sided facial nerve paralysis after Onyx embolization of jugular paraganglioma. The tumor was resected on the next day of embolization. The patient was followed up for 30 months with serial imaging studies and facial nerve assessment. The facial verve function improved from House-Brackmann grade V to grade II at the last visit.

KEYWORDS:

Onyx embolization; facial nerve paralysis; jugular foramen; jugular paraganglioma

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