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Figure 1: (A) Initial brain MRI. Two intracranial meningeal lesions (arrows) with low signal on T2WI (a) and DWI (b), isointense on T1WI (c), strongly enhancing after gadolinium contrast agent injection (d). (B) Initial brain MRI. Both parotid glands are affected, the left one with nodular lesions (a - T2WI; arrow) showing diffusion restriction (c – DWI; arrow). The infiltration in the external auditory canal and the middle ear cavity is visible on T2WI (b; arrow) and DWI (d; arrow)

Figure 1: (A) Initial brain MRI. Two intracranial meningeal lesions (arrows) with low signal on T2WI (a) and DWI (b), isointense on T1WI (c), strongly enhancing after gadolinium contrast agent injection (d). (B) Initial brain MRI. Both parotid glands are affected, the left one with nodular lesions (a - T2WI; arrow) showing diffusion restriction (c – DWI; arrow). The infiltration in the external auditory canal and the middle ear cavity is visible on T2WI (b; arrow) and DWI (d; arrow)