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Hypertrophic Pachymeningitis Presenting as "Eyebrows" Sign on 18 F FDG PET/CT
Kousik Vankadari1, Surendar Alwala2, Komal Kumar3
1Department of Nuclear Medicine, Yashoda Hospital, Secunderabad, Telangana, India.
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.
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