pseudo-sah in a patient with methanol poisoning

Objective: methanol poisoning is a dangerous life-threatening event, manifested withvarious symptoms, sometimes very rare ones, that all should be addressed to preventmisdiagnosis of the methanol-poisoned patients.case presentation: a 21-year-old young man was brought to the emergency department(ed) with a generalized tonic-clonic (gtc) seizure and he was diagnosed with methanolintoxication. a non-contrast computed tomography (ncct) of the brain demonstratedfindings similar to subarachnoid hemorrhage (sah). after the brain ct, he had a glasgowcoma score (gcs) of 3 and all brainstem reflexes were absent. neurology consultantagreed with the diagnosis of pseudo-sah. brain death was confirmed by a positive apneatest within 24 hours of presentation.conclusion: it is suggested that compression of dural sinuses due to severe brain edema,reduces the venous drainage and leads to venous engorgement, which appears highattenuated in the background of low-density edematous brain matter.