Article Figures & Data
Figures
Figure 1. (a) MRI 16 months before surgery. Sagittal T1-weighted scans after gadolinium-diethylene-triamine-pentaacetic acid (Gd-DTPA) administration demonstrates enhancement of the thickened dura in the craniocervical region. (b) Preoperative MRI shows compression of the spinal cord. (c) Postoperative MRI after 20 months of methotrexate therapy. Sagittal T1-weighted scans following Gd-DTPA administration demonstrate the synthetic patch and slight reduction of the meningeal mass in the clivus (arrow). (d) A fluorodeoxyglucose PET scan before treatment shows high activity in the clivus. (e) Nine months after treatment a reduction of activity in the clivus is shown.
Figure 2. Surgical specimen from cervical dura shows noncaseating epithelioid granulomatous tissue with giant cell of Langhans type (arrow) and mixed inflammatory infiltrate composed of neutrophils, lymphocytes, and plasmocytes. Hematoxylin and eosin ×110.
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