Tehran University of Medical Sciences Current Journal of Neurology 2717-011X 10 1-2 2011 06 15 29 31 Zahra Vahabi Neurology Department, Shariati Hospital, Tehran University of Medical Sceinces, Tehran, Iran. Hajir Sikaroodi Neurology Department, Shariati Hospital, Tehran University of Medical Sceinces, Tehran, Iran Siamak Abdi Neurology Department, Shariati Hospital, Tehran University of Medical Sceinces, Tehran, Iran Akram Hashemi Neurology Department, Shariati Hospital, Tehran University of Medical Sceinces, Tehran, Iran 2015 10 17 We describe a 40-year-old woman presenting with headache, nausea, episodic amnesia and blurred optic disc. Brain MRI disclosed diffuse leptomeningeal enhancement. CSF analysis showed aseptic meningitis with elevated ACE level. Neurosarcoidosis was diagnosed based on granulomatosis changes on tissue biopsy. https://ijnl.tums.ac.ir/index.php/ijnl/article/view/850 https://ijnl.tums.ac.ir/index.php/ijnl/article/download/850/108