PMC3748409_01
Gadolinium-enhanced coronal T1-weighted MRI scan showing pachymeningeal enhancement over the left temporal cerebral convexity, the left cerebellar convexity, and the left side of tentorium cerebelli. Also, there is left mastoiditis.
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fig1
Brain MRI on postgadolinium T1 sequence revealed thickness and pathological enhancement of dural mater along the left hemisphere of brain and cerebellum, with expansion to tentorium (Figure 1).
Nasal biopsy showing numerous multinucleated giant cells (haematoxylin-eosin staining).
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fig2
Nasal biopsy showing aggregate mainly consisting of neutrophils within and around blood vessel walls (haematoxylin-eosin staining).
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