Comparison of pachymeningeal enhancement and pachymeningeal hyperintensity on FLAIR imaging

DPMEDPMHF
Imaging requestSpecificRoutine
JudgmentVery easyRelatively difficult
Positive findingDural enhancementDural hyperintensity (with subdural effusion/hematomas)
RiskInvasiveNoninvasive
CostHighLow
  • Note:—FLAIR indicates fluid-attenuated inversion recovery; DPME, diffuse pachymeningeal enhancement; DPMHF, diffuse pachymeningeal hyperintensity on FLAIR imaging.