back to 2012, vol. 18, b. 3
Journal of IMAB - Annual Proceeding (Scientific Papers)
Publisher: Peytchinski, Gospodin Iliev
ISSN: 1312 773X (Online)
Issue: 2012, vol. 18, book 3;
Subject Collection: Medicine
Page: 349-352
DOI: 10.5272/jimab.2012183.349
Published online: 28 December 2012

J of IMAB. 2012; 18(3):349-352
Alexandra J. Tzoukeva1, Ara G. Kaprelyan1, Valeria Kaleva2, Chavdar Bachvarov3, Radoslav Georgiev3, Elina Peteva2,
1) Department of Neurology, 2) Pediatric Department, 3) Department of Radiology, University St. Marina Hospital, Varna, Bulgaria.

Thrombosis of the cerebral veins and sinuses is an infrequent cerebrovascular disorder. Because the highly variable symptoms, recent neuroimaging plays a key role in the diagnosis. Abducens nerve palsy as a focal neurological deficit is a rare clinical manifestation in these patients. We present two cases with sudden onset of diplopia and headache.
Case 1: A 3-year old girl with B cell lymphoblastic leukemia developed bilateral abducens deficit and bilateral optic disc edema after treatment including L-asparaginase. Thrombosis of the right jugular vein, sagittal and right sigmoid sinuses was visualized on magnetic resonance imaging (MRI) and magnetic resonance venography (MRV). Symptoms gradually resolved after treatment with enoxiparine and MRV demonstrated recanalization.
Case 2: A 75-year old female with medical history of arterial hypertension presented with headache and sudden left abduction deficit. Computerized tomography (CT) scan was normal. MRI and MRV revealed aging brain and disruption of venous flow at the left internal jugular vein, suspecting thrombosis. Extracranial colour duplex sonography and CT angiography proved haemodinamic equivalent of left internal jugular vein thrombosis due to sclerotic pathology of aortic arch.
Our first case illustrates the role of improved neuroimaging techniques as the best method for diagnosis of cerebral veins and sinuses thrombosis, presenting with abducens nerve palsy. With second case the potential neuroimaging pitfalls concerning the accurate diagnosis of these cerebrovascular disorders with neuro-ophthalmologic manifestation are discussed .

Key words: abducens nerve palsy, cerebral veins and sinuses thrombosis, diagnostic pitfall.

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Please cite this article as: Tzoukeva AJ, Kaprelyan AG, Kaleva V, Bachvarov Ch, Georgiev R, Peteva E. ABDUCENS NERVE PALSY AND THROMBOSIS OF THE CEREBRAL VEINS AND SINUSES - A DIAGNOSTIC PITFALL. J of IMAB. 2012; 18(3):349-352. doi: 10.5272/jimab.2012183.349;

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Accepted for publication: 06 October 2012
Issue published online: 28 December 2012

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