cerebral venous sinus thrombosis after submandibular abscess: a case report

infection-related cerebral venous sinus thrombosis (cvst) is a rare cerebral vascular diseases which has no pathognomonic sign or definite diagnostic approach. it is crucial to early suspect and recognize the disease to lower morbidity and mortality of it. however, its low incidence and atypic presentation often leads to misdiagnosis and treatment delay which increase complications and mortality of septic cvst. the patient of this study is a 26-year-old man presented with complaint of agitation, ataxia, weakness and confusion three weeks after abscess drainage. on examination, right abduscent nerve palsy, bilateral papilledema, left eye vision loss (hand motion at 1 meters), right hemiparesis, right central facial hemiparesis and fever (t: 38.4) were noted. magnetic resonance imaging and venography was performed which showed cvst with left occipital lobe infarction. the patient received antibiotics and his symptoms and signs subsided gradually.