Cerebral venous thrombosis presented as subarachnoid hemorrhage and treated with anticoagulants

A 45-year-old woman was brought into the emergency room of Al-Zahra hospital, Isfahan, after her first generalized tonic-clonic seizure and a history of thunderclap occipital headache ten days before the first seizure. Examination revealed mild confusion and slight left hemiparesis with facial weakness and no meningeal irritation signs. CT scan showed subarachnoid hemorrhage [SAH] and MRI demanstrated left lateral, sigmoid and sagittal sinus thromboses. Angiography was normal. She was treated by anticoagulants in spite of hemorraghic parenchymal lesion