Fig. 1From: Propionibacterium acnes-associated chronic hypertrophic pachymeningitis followed by refractory otitis media: a case reportHypertrophic pachymeningitis. Coronal section (left) of post-contrast fluid-attenuated inversion recovery (FLAIR) on MRI, and axial section (right) of post-contrast T1 on MRI. Gadolinium enhancement of the dura mater in the right temporal lobe and the middle cranial fossa (white arrows), and enhancement of the pia mater (blue arrows) Right mastoiditis was also evident (yellow arrows)Back to article page