Pachymeningitis Demonstrated on Gallium SPECT/CT Scan

A 34-year-old woman presented with a 3-month history of right-sided headaches associated with photophobia and pulsatile tinnitus. Investigations including lumbar puncture revealed elevated opening CSF pressure, increased protein, and presence of monocytosis consistent with an inflammatory/infective process. Brain MRI showed an area of thickened enhancing dura around the venous sinus posteriorly. 67Ga scintigraphy demonstrated focal intracranial uptake in the posterior occipital region, and biopsy confirmed a chronic inflammatory infiltrate with no granulomas. Received for publication September 27, 2018; revision accepted December 24, 2018. Conflicts of interest and sources of funding: none declared. Correspondence to: Robert Mansberg, MBBS, FRACP, FAANMS, Department of Nuclear Medicine, Concord Hospital, Concord, 2139 New South Wales, Australia. E-mail: mansberg@usyd.edu.au. Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved.

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