[Cerebral sinus thrombosis in a patient with protein S deficiency: a case report].
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Cerebral sinus thrombosis associated with protein S deficiency is rare to the best of our knowledge. We report here a 22-year-old female who presented sudden onset of headache, vomiting and disturbance of consciousness. Neuroradiological studies including computed tomography scan, magnetic resonance imaging and cerebral angiography disclosed a huge cerebral sinus thrombosis in the territory of the superior sagittal sinus, torcular herophili, lateral sinus and straight sinus. Hematological studies confirmed the diagnosis of protein S deficiency. We summarize the reported cases of cerebral sinus thrombosis associated with protein S deficiency. For young patients presenting occlusive cerebrovascular disease, we stressed the importance of doing extensive hematological investigation to detect possible etiological factors, such as protein S deficiency, protein C deficiency, antithrombin III deficiency. Once we discover the etiology of a disease, we may be able to designate the precise treatment or regimen for each patient.