Abstract
Hypertrophic pachymeningitis refers to linear or nodular thickening of the dura mater
covering the brain and spinal cord following various inflammatory/infective processes.
Usually, magnetic resonance imaging brain shows uniform thickening with enhancement
of involved meninges. Fluorodeoxyglucose positron emission tomography/computed tomography
(PET/CT) findings of pachymeningitis are rarely reported in literature. We describe
the PET/CT findings of a patient with hypertrophic pachymeningitis involving the bilateral
supraorbital regions depicting as “eyebrows” on brain maximum intensity projection
image.
Keywords
hypertrophic pachymeningitis - FDG PET/CT - eyebrows sign - optic canal
