Primary central nervous system natural killer/T-cell lymphoma: An atypical case of chronic meningitis

Chronic and Subacute Meningitis: Differentiating Neoplastic From Non-Neoplastic Etiologies

“…We conducted a systematic search in our electronic medical record system database using the text terms “chronic meningitis,” “subacute meningitis,” or “meningeal enhancement” at a single center in Buenos Aires, Argentina, between January 2007 and February 2017 (2 cases have been previously published elsewhere). 15,16 Patients with meningeal enhancement unrelated to chronic or subacute meningitis (eg, secondary to meningiomas, venous sinus thrombosis, epidural or subdural hematomas, and intracranial hypotension) were excluded. Brain 3 T or 1.5 T MRI was performed in all patients, and spine MRI was performed in patients with spinal symptoms or when oncologic screening was required.…”