Fig. 3. Gadolinium-enhanced T1-weighted axial and coronal views in patient 2. A: Postcontrast T1-weighted MRI showed an ill-defined enhancement along the anterior temporal area, superior orbital fissure, and parapharyngeal space. B: After 7 months of corticosteroid and azathioprine combined treatment, extensive dural thickening and enhancement at the right tentorium and posterior fossa appeared. C: After treatment with rituximab, the 4-month follow-up MRI showed marked decreases in dural thickening and enhancement.