Meningeal enhancement depicted by magnetic resonance imaging in tumor patients: neoplastic meningitis or therapy-related enhancement?

ConclusionsThe overall prevalence of the presence of false-positive meningeal contrast enhancement is low (<  1%) and not associated with specific imaging patterns. We hypothesize that there is a possible relationship between immunotherapy and ‘pseudomeningeosis’. Therefore, in all cases with suspected neoplastic meningitis, the cerebrospinal fluid should be analyzed to confirm the diagnosis, especia lly in patients undergoing immunotherapy.

Source: Neuroradiology - April 17, 2019 Category: Radiology Source Type: research