RT Journal Article SR Electronic T1 Diagnostic challenges in neoplastic meningitis presenting as intracranial hypertension JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e238808 DO 10.1136/bcr-2020-238808 VO 14 IS 3 A1 Andugulapati, Santosh Sriram A1 Chheda, Akash A1 Desai, Karan A1 Ravat, Sangeeta Hasmukh YR 2021 UL http://casereports.bmj.com/content/14/3/e238808.abstract AB A diagnosis of idiopathic intracranial hypertension should be considered only after careful exclusion of all possible aetiologies. We report a case of neoplastic meningitis presenting as intracranial hypertension with inconclusive repeated cerebrospinal fluid (CSF) cytology and MRI of brain, emphasising the importance of meticulous CSF analysis and role of early whole-body PET–CT scan for diagnosis of systemic malignancy.