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Case Reports
. 2012 Oct;37(10):982-3.
doi: 10.1097/RLU.0b013e3182638e00.

Asymptomatic giant arachnoid cyst

Fabrice Hubele  1 , Alessio Imperiale, Stéphane Kremer, Izzie Jacques Namer
Affiliations
Case Reports

Asymptomatic giant arachnoid cyst

Fabrice Hubele et al. Clin Nucl Med. 2012 Oct.

Abstract

A 51-year-old male bricklayer without cerebral symptoms underwent whole-body FDG PET for suspicion of mediastinal sarcoidosis. PET/CT incidentally demonstrated a voluminous right frontal arachnoid cyst with normal glucose metabolism in the adjacent cortex. MRI demonstrated compression of the ipsilateral cerebral parenchyma and precentral, angulate, callosal, and superior frontal sulci. Functional bilateral finger-thumb paradigm MRI revealed right hemispheric reorganization of cortical motor activation with prominent activation between the inferior frontal gyrus and the postcentral gyrus.

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