We report the case of a 24 year-old pregnant woman, seem at the neurology service by presenting agitation, hallucinations, mental confusion, headache, vision loss, aphasia and seizures. the neurorradiologic exam was compatible with thrombosis in dural sinus and cortical veins. Treatment with abciximab was accomplished and the mechanical lysis of the thrombus was made obtaining restoration of cerebral vein flow. After the procedure, she presented frontal hematoma wich was withdrawn surgically. We discuss this infrequent pathology in clinical picture, pathogenesis, image exams and therapeutics.Univ Caixas Sul, Disciplina Neurol, Caixas Do Sul, RS, BrazilUniversidade Federal de São Paulo, Escola Paulista Med, São Paulo, BrazilUniv Caxias do Sul, Curso Med, Caxias Do Sul, RS, BrazilUniversidade Federal de São Paulo, Escola Paulista Med, São Paulo, BrazilWeb of Scienc