Neurologia medico-chirurgica
Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105
Case Reports
Granulomatous Pachymeningitis Around the Sella Turcica (Tolosa-Hunt Syndrome) Involving the Hypophysis
—Case Report—
Daisuke KITAOsamu TACHIBANAYukihiro NAGAIHiroki SANOJunkoh YAMASHITA
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JOURNAL OPEN ACCESS

2007 Volume 47 Issue 2 Pages 85-88

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Abstract

A 50-year-old female presented with right painful abducens nerve palsy persisting for 4 months and mild panhypopituitarism with diabetes insipidus for 6 months. T1-weighted magnetic resonance (MR) imaging of the sellar region showed a homogeneously enhanced mass lesion in the right cavernous sinus which seemed to extend from the swollen pituitary gland. T2-weighted MR imaging clearly showed the mass in the right cavernous sinus and the thickened dura mater of the sellar floor as hypointense, and the enlarged pituitary gland as isointense. Biopsy of the thickened dura mater and swollen pituitary gland was performed via the transsphenoidal approach. Histological examination revealed inflammation and collagen fiber formation in these regions. The diagnosis was secondary panhypophysitis resulting from granulomatous pachymeningitis involving the cavernous sinus (Tolosa-Hunt syndrome). Corticosteroid therapy was begun after the biopsy. Her periorbital pain and diplopia were relieved, but diabetes insipidus persisted. Follow-up MR imaging showed a decrease in the volumes of the pituitary gland and the mass in the cavernous sinus.

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© 2007 by The Japan Neurosurgical Society

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