• P Thajeb and J J Tsai.
• Department of Neurology, Mackay Memorial Hospital, Taipei, Taiwan, ROC. thajebp@hotmail.com
• J Neuroimaging. 2001 Jan 1; 11 (1): 59-63.

AbstractThe authors report on cerebral and oculorhinal manifestations in a patient with a cytoplasmic pattern of antineutrophil cytoplasmic autoantibody (c-ANCA)-associated vasculitis. Recurrent Tolosa-Hunt syndrome, cavernous sinus syndrome, Raeder's paratrigeminal neuralgia, and seizures were the major clinical manifestations. Brain MRI showed localized enhancing lesions initially in the cavernous sinus and later in the convexity pachymeninges. The lesions disappeared following 9 months of oral prednisolone (15 mg/day) and cyclophosphamide (100 mg/day) therapy. The presence of c-ANCA, demonstration of vasculitis, and depositions of immunoglobulin G (IgG) and fibrinogen in the vessel walls of pachymeninges of the patient confirmed an immune-mediated cause of the vasculitis. Cranial pathology without renal and pulmonary involvement suggests a variant of Wegener's granulomatosis, which is called the "limited" form of Wegener's granulomatosis. MRI, Raeder's paratrigeminal neuralgia, localized pachymeningitis.

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