Annals of Indian Academy of Neurology
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SHORT COMMUNICATION
Year : 2006  |  Volume : 9  |  Issue : 1  |  Page : 32-35

Subarachnoid hemorrhage: An unusual presentation of cerebral venous sinus thrombosis


1 Departments of Neurology, Neuroimaging , NIMHANS, Bangalore, India
2 Departments of Interventional Radiology, NIMHANS, Bangalore, India

Correspondence Address:
S Panda
Department of Neurology, NIMHANS, Hosur Road, Bangalore - 560029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-2327.22819

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The diagnosis of cerebral venous thrombosis (CVT) requires high index of suspicion owing to the varied spectrum of its clinical manifestations. Its diagnosis may be more elusive if the patient presents with subarachnoid hemorrhage (SAH). We report four cases of CVT that presented with SAH and will discuss the importance of looking for clues for the early diagnosis of CVT. Three men and one woman presented with severe headache and images initially suggested SAH with no associated parenchymal bleeding. In all patients, SAH involved the sulci of the convexity and spared the basal cisterns. Angiography showed occlusion of intracranial venous sinuses without revealing any other cause of SAH. All the patients showed improvement with anticoagulant therapy.


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