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Year : 2021  |  Volume : 9  |  Issue : 1  |  Page : 33-35

Bilateral facial palsy in cerebral venous sinus thrombosis – An uncommon association

1 Department of Neurology, IMS and SUM Hospital, Bhubaneswar, India
2 Department of Neurology, SCB Medical College, Cuttack, Odisha, India

Correspondence Address:
Ajit Prasad Mishra
IMS and SUM Hospital, Bhubaneswar, Odisha.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/dypj.DYPJ_1_20

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Background: Cranial nerve palsy in cerebral venous sinus thrombosis (CVST) is not a very common presentation, its pathophysiology is not well understood. Case Description: We report a 27 year old young man with CVST having protein-S deficiency & hyperhomocystinemia, who during his initial days of hospitalization developed bilateral facial palsy. With conservative treatment of CVST, complete recovery of facial palsy occurred with recanalization of transverse sinus. Conclusions: Facial palsy in this patient was probably caused by transient neurapraxia in the intracranial segment of the nerve. It may be hypothesised that elevated venous transmural pressure in the nerve’s satellite vein, which belongs to the affected drainage territory of the transverse sinus, might have caused venous blood-brain barrier dysfunction in the intrinsic vascular system of the nerve, with leakage of fluids and ions into the endoneurial space and thus an increase in interstitial resistance causing conduction defects.

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