Fig.1 Precontrast T1-weighted MR axial scan Fig.2 Postcontrast T1-weighted MR axial scan Fig.3 Postcontrast T1-weighted MR coronal scan	Clinical History A 40-year-old man with low-grade fever and moderate headache for a few weeks. Examination of the upper respiratory tract, chest and urine did not reveal foci of infection. PREVIOUS CASES HOME COMMENTS

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